{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04122_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Muskegon, Michigan | 1950 | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"},{"label":"pages","value":"151"},{"label":"placed","value":"111"},{"label":"unplaced","value":"40"},{"label":"fit sources","value":"georef-snap 55, georef 54, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"25 sheet(s) cut into 64 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 43.22197,-86.26737 +/-116m); p0s__1 (tier 1, 43.23427,-86.24852 +/-249m); p0s__2 (tier 4, 43.22813,-86.24834 +/-4670m); p10 (tier 1, 43.21882,-86.24806 +/-225m); p101__1 (tier 4, 43.22813,-86.24834 +/-4670m); p101__2 (tier 4, 43.22813,-86.24834 +/-4670m); p101__3 (tier 4, 43.22813,-86.24834 +/-4670m); p101__4 (tier 4, 43.22813,-86.24834 +/-4670m); p102 (tier 1, 43.23956,-86.24834 +/-221m); p103__1 (tier 2, 43.22628,-86.22900 +/-2122m); p107__2 (tier 4, 43.22813,-86.24834 +/-4670m); p107__4 (tier 4, 43.22813,-86.24834 +/-4670m); p1__1 (tier 1, 43.21683,-86.26127 +/-229m); p1__2 (tier 1, 43.21620,-86.25947 +/-100m); p20__1 (tier 1, 43.23946,-86.25258 +/-144m); p20__2 (tier 1, 43.23979,-86.25323 +/-104m); p20__3 (tier 1, 43.24052,-86.25023 +/-116m); p20__4 (tier 1, 43.23898,-86.25246 +/-174m); p3 (tier 2, 43.23140,-86.25642 +/-2025m); p31__2 (tier 1, 43.24023,-86.24185 +/-100m); p34__2 (tier 1, 43.24337,-86.23327 +/-106m); p37__1 (tier 1, 43.22744,-86.25058 +/-214m); p40__3 (tier 1, 43.23328,-86.24377 +/-100m); p56 (tier 2, 43.22803,-86.21609 +/-157m); p5__2 (tier 2, 43.23131,-86.24923 +/-1704m); p6__1 (tier 1, 43.23586,-86.25781 +/-117m); p6__3 (tier 2, 43.23480,-86.25443 +/-1232m); p88 (tier 4, 43.22813,-86.24834 +/-4670m); p89 (tier 4, 43.22813,-86.24834 +/-4670m); p90__1 (tier 1, 43.22754,-86.27302 +/-100m); p90__2 (tier 1, 43.22857,-86.27314 +/-178m); p90__3 (tier 1, 43.22900,-86.27265 +/-165m); p90__4 (tier 3, 43.22867,-86.27480 +/-536m); p92__3 (tier 1, 43.22022,-86.23753 +/-176m); p96__2 (tier 1, 43.22866,-86.22374 +/-100m); p97__1 (tier 4, 43.22813,-86.24834 +/-4670m); p97__2 (tier 4, 43.22813,-86.24834 +/-4670m); p97__3 (tier 4, 43.22813,-86.24834 +/-4670m); p97__4 (tier 4, 43.22813,-86.24834 +/-4670m); p99 (tier 4, 43.22813,-86.24834 +/-4670m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p100 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3244.0"},{"label":"split_canvas_h","value":"1621.6"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"804.8,69.3 203.1,48.5 57.0,42.4 57.0,43.6 53.1,204.9 52.2,367.3 162.3,370.0 271.2,375.3 566.6,360.0 794.0,375.0 797.4,322.6 804.8,69.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[67.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26448264575303,43.22095079314596]}},{"type":"Feature","properties":{"resourceCoords":[782.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2611312630082,43.22100270802234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p100 [2]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"34"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6496.0"},{"label":"split_canvas_h","value":"5607.2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.7,1331.2 133.9,1330.7 144.9,1346.0 145.5,1345.2 1058.9,1350.5 1367.5,1384.7 1427.3,1361.5 1465.9,1361.8 1465.6,1071.0 1466.3,968.4 1467.0,843.9 1466.8,598.5 1470.5,261.8 1470.8,99.0 1283.2,99.1 1062.6,98.8 1000.5,96.4 985.2,90.0 811.0,296.9 811.0,405.4 811.0,405.4 793.3,405.1 793.6,429.9 701.6,426.2 447.4,728.3 344.6,849.6 198.2,1023.7 41.9,1205.5 153.9,1304.1 181.7,1331.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[523.0,1034.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2753979,43.221134]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,843.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2707377,43.2217832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p100 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5607.2"},{"label":"split_canvas_w","value":"6496.0"},{"label":"split_canvas_h","value":"2188.8"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.8,1768.5 568.7,1767.2 663.7,1784.3 668.3,1829.6 716.8,1790.9 947.5,1779.1 979.6,1876.8 1025.0,1876.0 1034.4,1766.2 1382.6,1759.7 1404.2,1906.7 1524.9,1881.8 1534.0,1760.7 1510.0,1752.5 1404.4,1754.1 1399.2,1598.9 1397.0,1460.3 1277.8,1463.3 1169.1,1461.6 1076.9,1466.0 1076.8,1468.2 968.8,1467.6 641.8,1475.4 642.8,1464.5 546.8,1464.7 546.8,1461.9 349.8,1462.7 264.6,1461.3 124.1,1463.6 124.1,1476.0 126.8,1768.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0100__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[969.0,1751.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2666502,43.2199297]}},{"type":"Feature","properties":{"resourceCoords":[127.0,1751.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2707676,43.2199854]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0103__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p103 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6424.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0103__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0103","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1356.2 1.0,1552.0 255.0,1655.6 255.0,1698.7 669.6,1869.1 810.4,1926.8 840.0,1926.0 926.0,1931.0 971.1,1931.0 971.0,1823.9 1390.5,1713.6 1478.7,1714.6 1476.8,1845.1 1559.7,1845.6 1532.2,1270.4 1587.9,835.2 1563.5,101.4 1521.8,48.5 1412.1,37.5 897.6,53.8 867.3,31.1 727.4,65.5 496.6,43.3 413.4,66.2 239.3,17.4 129.7,51.8 131.9,23.1 101.6,124.5 104.4,124.5 72.5,408.4 81.0,408.4 94.2,677.4 97.0,677.4 86.8,952.6 106.6,952.8 16.9,1356.3 1.0,1356.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0103__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[994.0,1703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.21887127486455,43.22853247725437]}},{"type":"Feature","properties":{"resourceCoords":[989.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.21888733988331,43.23119984472783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p104","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0104","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"533.3,1902.0 533.3,1914.7 32.6,1889.8 73.2,54.0 1327.5,23.6 1562.9,75.0 1554.5,322.1 1537.4,1320.0 1526.4,1923.5 1033.4,1891.8 1033.3,1905.6 533.3,1902.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24948635634793,43.21059785763156]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24577804339764,43.210612452330054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p105","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0105","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.3,1915.7 1061.8,1894.5 1061.8,1901.8 563.2,1891.9 563.2,1894.4 64.1,1903.0 66.0,1305.0 67.9,355.1 72.0,355.0 74.0,305.0 68.0,305.0 72.7,57.2 82.0,59.1 1546.9,52.2 1540.0,111.8 1581.9,102.5 1587.5,1912.0 1564.3,1912.5 1564.3,1915.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2457967,43.2105797]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,299.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2432686,43.2123867]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p106","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0106/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0106","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.9,1890.8 979.2,1900.0 979.2,1898.2 1480.6,1901.3 1585.2,1920.8 1593.9,1620.1 1552.6,1023.8 1610.4,740.0 1594.2,437.5 1559.0,437.0 1556.0,411.0 1559.0,383.0 1591.1,381.2 1576.3,106.2 1165.7,26.9 240.9,33.1 1.0,85.3 1.0,1900.1 479.9,1890.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0106/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[484.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2408137,43.2105297]}},{"type":"Feature","properties":{"resourceCoords":[991.0,292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2395388,43.2123486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p107 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.8,56.5 80.7,444.8 149.3,519.2 555.1,484.5 773.8,534.7 783.9,1429.7 724.5,1498.0 130.3,1497.3 63.5,1580.8 74.5,1881.5 1353.7,1919.7 1586.0,1841.8 1595.1,1854.3 1591.0,1489.8 1596.6,472.4 1597.2,65.3 1097.0,41.6 1097.2,55.5 590.5,60.3 590.7,73.2 82.8,56.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1088.0,1500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.247109,43.20692]}},{"type":"Feature","properties":{"resourceCoords":[80.0,477.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2495606,43.2087751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p107 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3424.0"},{"label":"split_canvas_w","value":"2883.2"},{"label":"split_canvas_h","value":"1302.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"609.0,979.4 684.9,932.5 523.4,866.8 69.0,885.4 125.4,1165.7 371.3,1178.5 417.0,1088.8 539.5,1162.7 556.9,1105.6 505.9,1096.7 597.2,1090.0 609.0,979.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0107__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,856.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23752557408092,43.20292851249548]}},{"type":"Feature","properties":{"resourceCoords":[720.8,856.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23575112349961,43.2031537931521]}},{"type":"Feature","properties":{"resourceCoords":[720.8,1181.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23561123557234,43.202569578765605]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1181.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23738568615364,43.20234429810899]}},{"type":"Feature","properties":{"resourceCoords":[112.0,910.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2372251,43.2028651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p108","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0108","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1608.7,1806.8 1558.8,1800.4 1553.5,1860.4 348.4,1918.6 289.5,1919.1 82.8,1901.0 53.9,1861.6 49.4,1499.7 54.0,489.6 54.2,78.5 555.4,68.6 555.4,66.1 1056.0,74.8 1056.0,67.4 1560.7,87.3 1560.8,84.2 1606.8,83.0 1607.2,456.1 1552.0,457.0 1553.0,511.0 1611.5,511.8 1608.1,1261.1 1608.4,1501.5 1608.7,1806.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0108/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[57.0,1501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.245852421264,43.20692551266057]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24216232948999,43.20689046905546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p109","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0109","type":"ImageService3","width":1600,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1542.5,1790.9 1583.7,86.4 1477.5,67.2 969.4,66.3 969.4,68.1 463.2,61.1 1.0,72.3 1.0,455.9 8.0,455.0 4.0,453.0 5.0,434.0 32.0,436.0 30.0,488.0 4.3,488.9 1.0,998.9 1.0,1817.4 456.7,1876.7 456.8,1871.2 965.2,1887.5 965.4,1860.7 1475.7,1911.2 1476.2,1796.1 1542.5,1790.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[457.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2408607,43.2086996]}},{"type":"Feature","properties":{"resourceCoords":[968.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2396096,43.2086893]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0011","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.2,1258.5 1.0,1290.8 1.0,1850.8 715.3,1768.5 1474.3,1766.4 1519.5,1767.3 1522.1,975.2 1525.2,434.8 1529.5,175.9 817.6,161.3 130.9,163.6 131.1,440.9 127.0,1248.0 73.1,1259.5 30.2,1258.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[824.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2582105,43.2296987]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2560184,43.2297597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p110","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0110","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.0,37.5 528.2,103.7 528.3,98.3 1024.9,116.0 1025.1,89.9 1523.5,141.1 1524.3,28.6 1587.0,30.0 1588.0,24.0 1589.2,23.8 1585.8,143.9 1643.6,933.5 1584.7,1908.5 34.1,1913.1 27.7,158.8 33.0,37.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2396798,43.2050173]}},{"type":"Feature","properties":{"resourceCoords":[33.0,760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2421538,43.2050312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0012","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.8,987.6 94.3,446.2 98.0,186.8 787.2,176.2 1492.3,159.3 1492.1,438.2 1488.2,1246.7 1483.4,1509.2 1486.0,1773.6 787.8,1780.1 741.6,1776.5 134.4,1782.2 92.3,1781.1 92.8,987.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2546764,43.2305796]}},{"type":"Feature","properties":{"resourceCoords":[792.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2555177,43.2313253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0013","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.6,981.8 134.4,700.1 135.7,260.4 140.5,145.7 249.3,143.9 250.3,135.8 713.5,147.1 838.0,150.2 1537.3,167.3 1545.8,985.7 1538.3,1311.7 1541.8,1532.2 1531.6,1803.2 833.3,1797.4 123.9,1797.9 132.6,981.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25338384246605,43.23146424694811]}},{"type":"Feature","properties":{"resourceCoords":[832.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25460478414084,43.23449734626969]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0014","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.6,1530.9 89.0,1311.2 93.3,986.2 77.2,170.7 787.0,181.2 787.0,162.0 1482.3,159.2 1502.8,703.6 1496.9,946.2 1472.7,1245.3 1411.1,1725.0 1408.7,1775.0 1185.7,1788.8 790.6,1787.7 87.0,1801.2 94.6,1530.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2501464,43.2345756]}},{"type":"Feature","properties":{"resourceCoords":[1482.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2505721,43.2369316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0015","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1031.1,1818.6 622.0,1897.8 572.6,1907.8 570.2,1856.7 586.0,1364.1 581.4,1058.4 563.7,811.7 490.0,261.4 485.2,218.4 1069.7,160.1 1100.0,744.6 1079.0,1768.5 1080.1,1816.2 1031.1,1818.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24960778629396,43.236193887540544]}},{"type":"Feature","properties":{"resourceCoords":[586.0,245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2503656224261,43.23702111648752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0016","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.1,1796.0 434.7,1793.1 433.7,1746.5 456.7,744.4 428.4,172.1 992.6,176.5 1091.7,180.6 1143.2,203.0 1155.2,312.1 1157.0,396.3 1149.5,756.0 1136.2,1251.8 1123.2,1805.4 1090.3,1805.3 682.1,1796.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1138.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24653919483784,43.236719619661194]}},{"type":"Feature","properties":{"resourceCoords":[1138.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24577329277683,43.23588782811004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p17","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0017","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"664.5,1809.9 463.0,1801.4 478.1,1244.7 493.4,746.1 502.2,384.4 500.6,299.7 489.0,190.0 479.9,165.9 507.7,184.7 1152.6,178.4 1195.8,234.7 1214.0,231.2 1200.1,771.0 1185.0,1260.0 1173.0,1819.3 664.5,1809.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[489.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2479783,43.2382995]}},{"type":"Feature","properties":{"resourceCoords":[1185.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2450662,43.2374035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0018","type":"ImageService3","width":1560,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"663.2,163.1 1016.5,188.0 1098.5,217.9 1134.2,256.1 1147.0,343.9 1136.0,761.0 1116.9,1246.5 1097.6,1802.0 395.6,1786.1 406.6,1230.2 420.8,744.3 433.8,207.8 663.2,163.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[424.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24501373691876,43.23740345642338]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24359175941099,43.23810144458962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p19","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0019","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,171.7 1.0,172.0 85.5,199.1 123.8,236.9 140.5,326.7 146.0,756.0 146.0,1256.0 148.5,1827.9 150.8,1881.0 800.3,1840.2 861.1,1808.5 862.2,1834.6 1586.5,1878.3 1580.2,1470.2 1535.2,1369.5 1622.9,1310.9 1540.9,1013.7 1545.2,1009.1 1569.1,663.6 1520.7,667.0 1483.0,665.8 1156.2,441.1 1182.5,446.9 702.7,99.7 651.0,6.3 628.8,1.0 624.0,1.0 508.6,187.5 1.0,171.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[146.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2435752,43.2380996]}},{"type":"Feature","properties":{"resourceCoords":[146.0,756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.244212,43.23885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p2","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0002","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.9,1927.8 1644.0,1914.9 1644.0,1909.4 1602.4,1910.0 1641.6,919.0 1533.4,117.7 894.2,13.7 76.8,47.1 31.6,1150.7 109.3,1914.9 1.0,1916.3 1.0,1928.7 681.8,1930.0 728.0,1930.0 732.9,1927.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,1930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2685642,43.2278568]}},{"type":"Feature","properties":{"resourceCoords":[728.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2685432,43.2290003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0021","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"771.1,167.7 61.6,243.4 1.0,388.2 1.0,467.1 9.0,468.0 9.0,513.0 1.0,513.9 1.0,519.2 12.0,521.0 12.0,548.7 101.0,643.9 499.2,1067.2 528.4,1033.4 1014.8,1455.5 1497.5,1874.8 1570.7,1778.3 1561.4,1725.8 1572.7,811.1 1585.4,173.2 1539.7,171.9 771.1,167.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25653420186569,43.22820376871788]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25416819800574,43.22659293158555]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0022","type":"ImageService3","width":1571,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.8,181.2 740.7,182.9 786.9,187.2 1486.0,189.3 1480.6,719.2 1472.0,1204.5 1473.2,1248.3 1466.2,1772.3 770.9,1766.3 119.4,1762.2 84.8,1767.3 75.4,1715.3 81.6,810.5 90.6,179.4 132.8,181.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25564111071594,43.22916541741703]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25264232010178,43.2310076810654]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.24952752617345,43.22827782396124]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25252631678761,43.22643556031287]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p23","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0023","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.2,438.1 145.7,170.7 861.5,167.6 1566.3,170.9 1563.2,701.7 1552.2,1245.3 1556.0,1782.0 1288.5,1787.2 889.2,1780.9 799.0,1783.2 132.9,1786.7 131.6,1742.0 138.7,1247.4 142.3,707.5 140.2,438.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2503245,43.2306997]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.248149,43.2307705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0024","type":"ImageService3","width":1571,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.2,1755.0 104.5,1229.0 110.2,696.2 108.3,176.1 806.4,160.2 1198.5,159.9 1419.7,145.4 1415.2,192.3 1409.4,284.6 1433.0,345.3 1518.9,440.1 1464.0,413.2 1407.6,363.7 900.1,977.2 781.0,1123.2 458.3,1510.1 210.4,1814.3 177.5,1831.3 114.1,1837.9 113.2,1755.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.249002322138,43.231520247446326]}},{"type":"Feature","properties":{"resourceCoords":[107.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25067375160461,43.233024342538165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p25","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0025","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.9,1892.7 1068.2,1893.2 1357.5,1896.5 1611.8,1891.8 1614.0,1650.0 1614.0,1142.0 1603.9,1038.3 1541.6,924.5 1480.8,827.5 1231.9,461.8 1079.2,227.3 944.1,36.0 893.2,18.6 553.3,241.4 348.9,378.8 310.9,407.7 25.8,696.7 1.0,722.2 1.0,725.9 18.1,770.9 72.5,845.6 129.6,877.2 256.2,895.3 196.8,909.8 121.8,907.7 123.3,1704.3 124.9,1892.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[123.0,1399.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2478344,43.2333326]}},{"type":"Feature","properties":{"resourceCoords":[1116.0,1399.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2453498,43.2333102]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p26","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0026","type":"ImageService3","width":1571,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.8,87.7 76.9,320.5 75.9,599.0 83.4,1039.0 81.0,1152.9 70.8,1281.6 3.2,1410.5 1.0,1413.7 1.0,1720.0 76.0,1720.3 76.4,1673.6 76.8,1623.7 659.0,1629.8 752.6,1632.8 768.8,1679.5 802.1,1639.9 862.1,1614.1 931.5,1615.8 1183.8,1786.2 1438.6,1948.0 1451.3,1948.0 1453.2,1902.7 1468.4,1537.0 1458.7,1376.9 1457.1,1099.9 1464.5,866.5 1458.5,592.0 1471.2,294.9 1463.9,42.6 768.0,44.0 267.1,47.8 68.5,44.7 68.8,87.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2428235,43.2348536]}},{"type":"Feature","properties":{"resourceCoords":[768.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2443148,43.2365554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p27 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.4,290.6 132.8,590.5 140.1,867.6 133.5,1103.2 136.3,1382.8 615.5,1686.1 900.1,1551.1 922.6,1512.8 1110.6,1431.0 1145.5,1434.7 1449.7,1632.2 1549.3,1137.7 1531.2,1137.5 1538.9,1011.9 1536.0,586.0 1533.3,99.5 829.7,49.6 828.9,24.2 769.4,54.5 137.7,87.7 144.4,290.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1536.0,586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2391614,43.2377585]}},{"type":"Feature","properties":{"resourceCoords":[136.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2428416,43.2372436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p27 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2664.4"},{"label":"split_canvas_y","value":"5724.0"},{"label":"split_canvas_w","value":"3795.6"},{"label":"split_canvas_h","value":"2072.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"809.8,1803.8 862.7,1938.3 918.1,1939.0 919.1,1948.0 1214.2,1948.0 1524.4,1948.0 1438.2,1723.1 1453.4,1658.8 1278.2,1531.0 1171.0,1467.0 809.8,1803.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1438.0,1722.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23754932655194,43.23717864084545]}},{"type":"Feature","properties":{"resourceCoords":[877.1,1977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2374875536037,43.23606462224997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p28","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0028","type":"ImageService3","width":1571,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.4,390.2 23.8,293.4 179.6,192.2 346.4,83.7 1570.0,514.2 1570.0,701.4 1115.5,1263.3 932.4,1266.2 617.7,1804.1 412.1,1804.4 198.2,1801.6 77.6,1811.3 79.8,1800.0 62.0,1799.8 69.8,1676.5 68.0,1258.0 65.4,390.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[68.0,1258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2391614,43.2377585]}},{"type":"Feature","properties":{"resourceCoords":[1454.0,1258.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2361956,43.2391325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0029","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"417.4,279.2 312.0,117.1 365.3,103.8 384.8,58.2 400.6,62.6 746.4,157.8 1463.0,56.1 1526.5,251.7 1525.2,628.3 1522.1,983.6 1531.2,1932.1 819.7,1935.0 483.9,1936.2 435.0,1932.0 98.4,1930.1 43.1,1892.1 220.8,1774.9 187.1,1130.5 343.9,1023.9 417.4,279.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,1435.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23575718708877,43.23804213956455]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,1920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23402677381682,43.2371574116678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p30","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0030","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.3,1768.8 72.1,1272.6 78.3,778.5 78.2,740.5 303.1,179.5 308.0,179.5 769.9,182.6 1463.9,186.9 1459.0,738.8 1457.9,787.1 1456.9,1783.2 1456.6,1811.7 1148.2,1796.0 1147.5,1783.3 957.5,1783.5 662.7,1776.5 71.3,1768.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2357939,43.2360554]}},{"type":"Feature","properties":{"resourceCoords":[77.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2375215,43.237165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0031__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p31 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0031__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0031","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"433.0,1931.0 537.0,1939.0 537.5,1943.2 538.2,1943.3 1095.3,1757.0 1075.5,1774.9 1445.3,1641.2 1468.2,1611.5 1519.4,1528.0 1523.0,1522.2 1543.3,9.9 1510.3,9.7 1508.5,63.5 1231.7,88.4 1230.1,133.8 1161.3,129.4 940.2,96.1 937.2,135.6 557.5,210.4 602.4,257.4 524.4,503.7 524.0,503.7 524.0,506.5 509.7,506.5 121.3,581.5 51.0,964.2 121.8,1271.6 68.3,1556.9 129.6,1605.3 75.4,1652.5 359.6,1821.6 405.2,1930.9 433.0,1931.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0031__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2412487,43.2418875]}},{"type":"Feature","properties":{"resourceCoords":[893.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2419585,43.2421033]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p32","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.21"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0032","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"279.9,1726.8 278.6,1721.0 20.1,1522.0 43.5,1480.7 46.7,1475.0 17.8,91.6 202.8,55.8 202.8,65.6 556.0,49.9 556.0,52.2 1469.5,76.2 1572.4,358.8 1606.8,675.8 1609.6,675.4 1610.0,722.6 555.4,1537.4 555.7,1733.7 555.9,1817.7 279.9,1726.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.238569,43.2423971]}},{"type":"Feature","properties":{"resourceCoords":[556.0,1917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2405687,43.2392183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0033","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"728.7,1736.4 661.1,1733.2 443.2,1703.9 440.9,1742.7 68.8,1822.2 40.8,1793.8 42.9,1370.0 49.5,1358.3 70.0,1359.0 71.7,1318.7 230.6,1036.0 150.2,851.4 155.9,230.8 145.7,222.2 445.8,212.9 444.8,187.3 756.3,212.3 756.1,223.1 1027.1,214.3 1031.2,212.9 1250.9,215.2 1251.0,208.5 1614.0,224.9 1614.0,286.0 1614.0,583.6 1606.9,930.8 1592.5,1631.3 1226.7,1640.8 1226.9,1630.6 1034.8,1664.2 1034.7,1600.0 1002.2,1610.0 1001.2,1663.0 729.6,1691.8 728.7,1736.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[725.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23983187364118,43.24421447333608]}},{"type":"Feature","properties":{"resourceCoords":[1585.0,914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23787378142877,43.24359236872515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0034__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p34 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6500.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0034","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.0,26.7 1379.3,111.8 1114.1,210.6 1016.8,215.0 533.8,222.1 11.8,222.9 4.5,222.8 12.4,577.5 13.1,921.0 14.3,1614.1 14.3,1616.4 954.0,1632.3 901.5,1491.1 1096.8,1278.2 1579.2,1102.0 1575.0,584.0 1474.1,192.2 1565.0,36.0 1565.0,26.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0034__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23689855613583,43.245087757268074]}},{"type":"Feature","properties":{"resourceCoords":[1625.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23322130058958,43.243830150541115]}},{"type":"Feature","properties":{"resourceCoords":[1625.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23527738300392,43.24059462306324]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23895463855017,43.2418522297902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0035","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.6,1852.4 36.5,1421.5 71.0,1420.0 74.0,1372.0 37.2,1370.5 46.6,781.8 128.2,386.5 67.5,77.6 1326.5,21.0 1566.9,47.4 1578.2,148.8 1612.5,125.7 1614.0,681.9 1605.2,1174.4 1600.8,1338.5 1593.8,1924.0 1221.2,1906.7 1221.1,1913.5 1000.1,1910.9 996.0,1912.3 723.4,1920.8 723.5,1910.0 410.2,1884.3 411.2,1910.2 109.3,1919.1 29.6,1852.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,1208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23836054305403,43.24650955943468]}},{"type":"Feature","properties":{"resourceCoords":[729.0,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23765867255605,43.24768566473505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0036","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.5,1314.7 22.1,1152.2 22.6,664.8 11.8,114.6 145.2,21.2 277.4,21.9 352.0,25.0 398.8,22.6 826.4,24.7 832.0,25.0 837.3,24.8 1190.9,26.6 1196.5,23.6 1272.0,27.0 1279.2,26.8 1535.2,367.9 1468.5,397.2 1548.5,904.0 1624.0,1070.1 1624.0,1264.4 1624.0,1389.3 1582.0,1405.9 1580.3,1715.2 1393.8,1798.7 1127.5,1894.8 1029.9,1898.1 546.1,1899.4 23.2,1894.1 20.5,1314.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[833.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23383135282525,43.246398892961835]}},{"type":"Feature","properties":{"resourceCoords":[36.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23708837326282,43.244682280897194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0037__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p37 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"6000.4"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0037__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0037","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.7,61.0 864.2,68.3 202.3,76.6 167.3,82.5 96.1,180.8 313.1,357.4 760.2,726.4 1443.1,1292.5 1579.3,1124.9 1572.8,593.1 1579.3,324.3 1570.7,61.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0037__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25310086415995,43.22671637277676]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25002497555901,43.228534443578305]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1500.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.24771946862404,43.226434210932005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1500.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.25079535722497,43.22461614013046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p38 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6500.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.1,1651.4 708.1,1641.7 709.3,1834.7 692.2,1861.4 633.8,1929.3 640.6,1929.5 646.9,1929.8 1432.7,1001.6 1429.7,979.5 1421.3,864.2 1421.0,576.7 1426.3,129.4 1425.6,45.2 1159.7,52.2 762.8,48.9 673.1,51.8 11.0,59.9 9.5,590.7 15.8,853.2 7.2,1121.2 9.1,1651.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[717.0,1118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2478343,43.22847]}},{"type":"Feature","properties":{"resourceCoords":[717.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.249498,43.2299596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p38 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3664.4"},{"label":"split_canvas_y","value":"4664.0"},{"label":"split_canvas_w","value":"2835.6"},{"label":"split_canvas_h","value":"3132.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1594.6,1794.5 1613.7,1794.0 1594.8,1746.3 1582.6,1745.2 1585.2,1537.5 1554.0,1537.0 1555.0,1491.0 1585.8,1490.4 1587.0,1394.8 1583.0,1363.6 1459.1,1217.7 933.9,1670.6 936.1,1884.8 1023.8,1884.7 1404.5,1887.9 1538.5,1886.0 1571.0,1879.5 1581.4,1840.4 1582.0,1794.8 1594.6,1794.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0038__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[959.1,1675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24829606659242,43.22691396540116]}},{"type":"Feature","properties":{"resourceCoords":[1562.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24680384500134,43.226519134939956]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0039","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1504.9,1825.9 1069.7,1823.2 654.4,1818.2 602.1,1809.9 565.1,1776.0 484.9,1692.8 300.6,1472.2 18.2,1125.3 63.3,1079.2 78.1,1044.6 74.5,646.6 75.8,135.7 1032.1,136.6 1325.3,140.1 1583.2,135.3 1585.5,325.6 1581.6,548.0 1580.1,1120.5 1573.7,1368.8 1572.4,1837.5 1504.9,1825.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24662018817052,43.23152728378081]}},{"type":"Feature","properties":{"resourceCoords":[95.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24779765745255,43.23243688090454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0004","type":"ImageService3","width":1592,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.3,938.9 111.1,692.0 83.5,658.6 72.6,601.3 159.2,266.3 229.3,305.2 518.0,59.7 1422.5,40.5 1486.1,398.6 1402.5,467.6 1462.5,542.1 1492.1,508.7 1501.1,600.8 1483.8,654.8 1490.0,843.0 1490.9,1122.8 1488.8,1937.2 1439.0,1948.0 1391.2,1948.0 598.0,1948.0 597.0,1929.0 476.0,1931.0 475.0,1948.0 454.0,1948.0 453.0,1932.0 417.0,1933.0 415.0,1948.0 414.0,1934.0 410.4,1934.0 455.2,1886.2 85.2,1009.3 55.8,984.0 16.3,938.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1490.0,1402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2595388,43.2288807]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26042,43.2296614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p40 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3314.0"},{"label":"split_canvas_h","value":"6878.4"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.3,283.2 102.8,1263.3 211.1,1331.2 487.0,883.6 624.4,654.8 742.0,460.5 483.9,288.3 489.8,277.0 325.9,179.4 75.0,21.8 81.0,267.2 81.3,283.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23626037460399,43.23419979373181]}},{"type":"Feature","properties":{"resourceCoords":[828.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23447594138328,43.23496521141338]}},{"type":"Feature","properties":{"resourceCoords":[828.5,1719.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.2322949878968,43.23226933350647]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1719.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.2340794211175,43.2315039158249]}},{"type":"Feature","properties":{"resourceCoords":[756.5,435.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2340768,43.2342154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p40 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6500.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.8,1693.7 156.6,1807.5 117.1,1868.1 159.6,1895.3 160.6,1925.9 901.1,1918.9 1558.3,1914.9 1557.5,1598.0 1552.0,1598.0 1552.0,1551.0 1557.4,1550.9 1557.1,1412.6 1556.0,912.0 1549.8,414.2 1551.3,32.3 1551.3,22.7 1413.0,24.0 1338.0,29.0 1291.0,26.0 1249.9,28.5 1082.5,281.1 981.6,440.9 858.0,624.1 547.0,1100.4 407.4,1303.8 152.8,1693.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0040__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24297384334577,43.23260757383894]}},{"type":"Feature","properties":{"resourceCoords":[177.0,1657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24419905669144,43.22941933625537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p41","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0041","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.0,1352.0 116.7,852.8 119.0,469.9 119.5,390.0 119.7,339.4 710.6,344.3 805.7,347.1 822.2,394.4 856.0,354.1 916.8,327.8 987.2,329.4 1243.7,501.7 1494.8,660.4 1514.9,1851.8 867.6,1853.0 122.0,1854.0 122.0,1352.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2422922,43.2318935]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2416253,43.2311285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p42","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0042","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.3,672.8 93.3,627.3 110.2,259.7 101.2,98.7 575.8,404.8 860.3,272.8 883.1,234.8 1071.0,154.9 1105.7,158.9 1548.3,451.6 1272.2,863.8 999.5,1280.6 1492.7,1611.2 1488.8,1856.3 1488.6,1866.3 788.0,1852.2 788.0,1848.0 94.0,1848.0 82.8,1847.9 70.8,667.8 91.3,672.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2372319,43.2331764]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2386912,43.2324911]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p43 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13.2,1657.8 12.3,1703.2 7.3,1721.4 25.0,1721.3 24.4,1776.8 512.1,1763.5 512.2,1751.6 552.9,1748.8 1007.6,1751.2 1006.9,1788.3 1513.1,1868.4 1516.2,1542.8 1516.7,1497.5 1377.7,1498.2 1376.8,1423.4 1611.0,1270.2 1611.0,1085.7 1397.0,761.6 1154.0,379.0 1136.8,354.0 1086.6,354.0 1087.0,282.1 1022.6,188.9 956.0,177.2 525.9,172.7 115.5,166.0 64.0,157.6 43.7,138.8 26.3,1609.6 60.0,1613.0 59.0,1657.0 25.8,1657.6 15.9,1657.7 13.2,1657.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2454787,43.2277322]}},{"type":"Feature","properties":{"resourceCoords":[1154.0,379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2438766,43.228992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p43 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4346.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2101.6"},{"label":"split_canvas_h","value":"1416.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.1,215.9 1435.2,55.1 1413.4,17.9 1087.4,223.4 1087.2,248.2 1086.9,299.1 1227.2,300.9 1594.2,307.2 1540.1,215.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0043__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1563.0,290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24216133502487,43.226976493517014]}},{"type":"Feature","properties":{"resourceCoords":[1402.2,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24256545057023,43.22743461841938]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p44","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0044","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.6,515.1 116.6,66.0 846.6,64.7 1494.4,65.8 1490.2,558.1 1488.0,1053.0 1487.2,1546.7 990.1,1555.7 801.0,1555.1 794.8,1830.4 642.9,1733.5 112.0,1387.5 114.8,1283.5 113.0,1053.0 13.3,1053.0 112.2,901.8 110.6,515.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2425382,43.2274637]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2396232,43.2288299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p45","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0045","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.8,225.7 853.9,227.6 1506.8,228.9 1505.0,680.9 1505.8,1267.2 1499.8,1718.7 849.2,1721.1 804.4,1719.1 108.4,1720.5 109.7,1221.4 113.2,724.9 114.8,225.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,1224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2388245,43.2302766]}},{"type":"Feature","properties":{"resourceCoords":[1505.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2380275,43.2317301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p46","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0046","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.7,1262.0 94.9,677.2 95.1,226.3 788.0,222.0 788.0,226.1 1487.6,235.9 1487.5,241.9 1476.0,1219.0 1581.7,1290.5 1437.3,1508.8 1293.6,1732.1 1214.1,1710.2 744.9,1710.2 93.2,1712.5 97.7,1262.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2365624,43.2324092]}},{"type":"Feature","properties":{"resourceCoords":[788.0,222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2372319,43.2331764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p47 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6178.8"},{"label":"split_canvas_w","value":"2414.0"},{"label":"split_canvas_h","value":"1617.2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2.4,1920.1 141.1,1925.0 329.3,1921.0 501.2,1931.7 478.5,1921.5 596.1,1660.5 516.2,1605.8 49.8,1730.4 48.0,1772.3 1.0,1771.3 1.0,1917.4 2.4,1920.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1544.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23569304288587,43.2271928304796]}},{"type":"Feature","properties":{"resourceCoords":[603.5,1544.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23431830517335,43.22762908196074]}},{"type":"Feature","properties":{"resourceCoords":[603.5,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23391899510194,43.22695156227388]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23529373281447,43.22651531079274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p47 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"958.8,1896.1 967.9,1854.7 1547.0,1799.8 1531.9,1781.5 1503.7,1734.5 1504.2,1553.5 1513.0,1049.1 1517.3,544.9 1523.7,42.4 866.3,38.8 821.0,36.4 117.6,31.4 113.1,534.6 108.0,1036.9 100.6,1275.8 796.8,1743.0 857.1,1937.2 902.4,1938.3 911.4,1887.0 958.8,1896.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0047__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1512.0,1563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23466415961647,43.227893997444134]}},{"type":"Feature","properties":{"resourceCoords":[808.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23817414077598,43.229488441833084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p48 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.8,1788.5 223.7,1772.3 686.4,1053.8 819.1,850.4 1046.3,495.9 1330.5,56.5 1251.3,35.3 784.9,39.8 137.0,48.0 141.4,541.2 148.0,1036.0 150.1,1531.1 153.4,1708.7 182.2,1754.2 211.8,1788.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[148.0,1036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2353573,43.2286703]}},{"type":"Feature","properties":{"resourceCoords":[833.0,530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2345661,43.230124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p48 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2647.2"},{"label":"split_canvas_y","value":"3814.0"},{"label":"split_canvas_w","value":"3876.8"},{"label":"split_canvas_h","value":"3982.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1042.8,1542.7 1475.3,1831.2 1485.7,1590.4 1497.2,1083.9 986.5,1083.1 792.2,1078.7 780.1,1361.4 829.2,1395.3 1042.8,1542.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0048__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[789.7,1368.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24000400340256,43.22693953387004]}},{"type":"Feature","properties":{"resourceCoords":[1480.1,1080.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23899132303117,43.228054576453474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p49","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0049","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.5,1874.8 63.3,1318.4 60.0,385.9 65.0,60.4 778.2,24.2 1128.0,88.0 1380.2,26.2 1545.4,96.3 1552.1,854.6 1533.8,847.5 1534.0,1918.0 368.9,1922.3 348.0,1921.0 177.0,1923.0 81.4,1923.4 59.6,1922.5 60.5,1874.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[62.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2340308,43.2380405]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,1918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2303884,43.2360236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0050","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.8,1902.8 1282.9,1904.5 38.5,1917.8 29.6,851.2 47.9,858.1 35.1,102.7 41.5,105.3 551.4,44.7 1521.6,50.4 1575.3,160.5 1615.4,1204.2 1570.8,1584.6 1443.8,1902.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1284.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22727376391089,43.236013489802666]}},{"type":"Feature","properties":{"resourceCoords":[48.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23036379328897,43.23605201878583]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p51","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0051","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.6,1471.7 50.5,1213.7 43.2,203.0 1527.3,191.2 1527.5,1198.2 1450.0,1200.0 1450.0,1742.0 751.2,1741.6 310.6,1743.3 51.9,1741.1 50.6,1471.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1450.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2306129,43.2342066]}},{"type":"Feature","properties":{"resourceCoords":[1450.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2306307,43.2332294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p52","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0052","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13.8,1747.8 14.7,1213.6 91.0,1212.0 92.4,219.5 1331.5,213.1 1484.7,212.2 1518.9,708.5 1529.5,708.4 1550.3,1204.3 1541.9,1204.3 1496.8,1753.1 1284.3,1753.0 571.9,1751.0 571.9,1756.7 13.8,1759.0 13.8,1747.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,1753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2275518,43.2331935]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2304211,43.2342079]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p53","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0053","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.5,1125.8 97.0,855.5 97.7,589.1 100.5,55.6 360.6,57.4 803.5,54.9 1506.0,54.0 1507.8,545.9 1506.0,1128.0 1508.8,1397.0 1504.8,1666.0 801.4,1666.1 98.5,1661.6 99.5,1125.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.0,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2306706,43.2313032]}},{"type":"Feature","properties":{"resourceCoords":[1506.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2306307,43.2332294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p54","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0054","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.6,1382.5 10.8,1117.1 15.0,542.8 15.2,68.8 576.9,66.8 576.9,61.1 1293.9,63.7 1585.5,64.0 1558.3,595.1 1549.5,595.0 1550.6,1125.2 1545.1,1125.2 1548.2,1652.0 1287.9,1650.2 951.0,1651.0 7.5,1648.0 12.6,1382.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[951.0,1651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2283396,43.2303139]}},{"type":"Feature","properties":{"resourceCoords":[576.0,589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2292461,43.2322519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0055","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.5,1931.2 111.0,1932.0 269.0,1927.0 408.0,1930.0 521.0,1939.0 522.0,1948.0 733.0,1948.0 734.0,1939.0 796.0,1936.0 893.0,1939.0 894.0,1948.0 1139.0,1948.0 1159.9,1933.1 1257.0,1924.7 1314.7,1877.2 1487.2,1593.3 1486.8,1494.8 1496.3,1297.8 1476.0,547.8 1475.2,20.7 777.7,23.9 80.6,22.5 83.4,449.9 83.0,696.5 86.8,1564.1 85.7,1584.5 64.1,1578.2 1.0,1639.6 1.0,1640.8 86.1,1655.8 87.5,1931.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1478.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23068746855716,43.2303087574132]}},{"type":"Feature","properties":{"resourceCoords":[84.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2341474645467,43.230357920388705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p57","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0057","type":"ImageService3","width":1622,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"220.9,1658.0 977.4,1911.8 970.6,1906.2 860.0,1814.8 827.2,1787.7 1534.2,1663.2 1533.9,1638.7 1530.7,1424.9 1528.2,1050.4 1528.7,789.5 1621.0,478.3 1621.0,469.6 1530.7,433.2 1530.8,427.9 1621.0,461.0 1621.0,256.4 1532.0,204.5 1532.1,106.3 1198.0,105.0 872.4,103.7 698.7,104.6 212.1,104.5 211.0,375.0 219.3,759.9 213.9,861.0 213.8,911.5 124.5,1056.7 94.7,1080.9 44.9,1084.9 33.4,1093.0 1.0,1092.8 1.0,1660.1 31.9,1659.7 220.9,1658.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[211.0,375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2307171,43.229385]}},{"type":"Feature","properties":{"resourceCoords":[1198.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2259242,43.2302879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p58 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.3,750.2 76.8,1092.2 80.8,1476.4 74.8,1734.1 76.0,1781.0 148.8,1759.5 495.9,1756.8 843.7,1833.2 1152.6,1766.7 1526.4,1797.7 1571.2,1729.4 1585.3,1612.3 1567.7,1291.8 1575.8,1291.8 1585.2,1255.4 1589.5,1247.5 1567.8,1247.8 1532.8,1000.8 1535.6,1000.7 1505.0,742.9 1089.0,747.9 832.0,752.2 831.7,514.7 830.6,337.1 830.4,310.1 132.5,428.6 164.7,455.5 279.9,551.8 92.7,487.8 92.3,570.3 57.7,558.5 52.9,750.3 78.3,750.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[585.0,1479.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22565275378687,43.22060663423262]}},{"type":"Feature","properties":{"resourceCoords":[330.0,1479.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22690388492644,43.22061386171011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p58 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.43"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3620.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2904.0"},{"label":"split_canvas_h","value":"2817.6"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"985.7,657.5 1007.9,657.2 994.6,700.0 1385.1,702.7 1605.0,702.9 1604.0,649.4 1608.0,648.4 1612.0,623.4 1606.0,619.4 1606.0,601.4 1618.0,600.4 1622.0,591.3 1623.6,591.3 1625.0,184.4 1531.1,145.9 1531.3,133.9 1273.3,138.3 920.2,143.7 952.2,406.1 949.4,406.2 985.7,657.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0058__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1529.0,398.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.21818870189286,43.222294901539236]}},{"type":"Feature","properties":{"resourceCoords":[1280.0,147.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.21937572351668,43.223186455002654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0059","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.1,1587.7 73.7,1320.4 144.7,1240.0 135.4,1158.8 66.5,1148.2 147.4,1079.3 43.8,969.5 135.3,901.4 235.7,83.1 397.4,74.0 426.1,14.0 465.5,14.3 917.4,340.6 909.1,347.4 1611.0,1267.5 1611.0,1336.1 1611.0,1425.8 1578.5,1452.9 1479.1,1529.5 1447.2,1539.4 1444.4,1884.4 966.9,1899.8 967.1,1882.5 432.1,1877.1 432.1,1864.7 81.4,1862.5 62.1,1587.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.27332161665107,43.22828562921506]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.2703290345062,43.22641387118224]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.27341308646191,43.22375885175335]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.27640566860678,43.22563060978617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6552.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0005","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.5,1077.3 123.8,1436.3 40.2,1503.8 98.8,1578.3 128.6,1545.5 136.5,1636.8 118.8,1690.2 122.9,1876.9 809.8,1880.2 1521.8,1900.6 1528.4,1347.6 1452.9,1027.8 1547.9,1003.1 1567.8,768.4 1589.9,768.7 1580.0,760.4 1600.0,265.2 1539.4,50.0 1308.4,49.0 1211.4,141.4 1124.7,49.2 814.1,39.4 777.1,278.8 692.1,387.6 693.1,437.3 649.6,442.1 292.6,441.5 232.2,168.5 126.5,99.0 58.7,225.6 60.7,519.7 82.0,520.0 84.0,563.0 61.0,563.8 64.5,1077.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25904115558099,43.230464975818]}},{"type":"Feature","properties":{"resourceCoords":[144.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26035200218726,43.22966221075055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0060","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1396.8,1876.2 902.2,1878.0 901.5,1927.2 681.9,1929.3 582.0,1926.0 399.4,1931.6 399.4,1900.0 205.8,1929.5 67.4,1854.5 32.0,1038.7 95.8,628.2 47.6,73.8 391.0,72.4 391.2,84.6 914.9,84.5 915.0,101.4 1382.0,81.5 1383.8,276.7 1522.9,438.9 1496.0,461.2 1528.2,497.9 1386.0,610.5 1393.3,1388.6 1395.2,1701.9 1396.8,1876.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[886.0,1704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.27722728710508,43.22241436595438]}},{"type":"Feature","properties":{"resourceCoords":[1381.0,1704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.27629673589216,43.22182013430666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p61","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0061","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.3,1845.3 25.9,1258.0 52.3,709.0 54.0,709.0 56.0,663.0 54.5,663.0 79.4,148.8 29.7,121.5 226.2,92.8 226.0,124.9 411.3,120.3 512.6,124.4 735.4,123.6 736.4,73.6 1238.0,75.0 1239.0,353.0 1235.3,832.2 1533.7,838.0 1611.0,839.5 1611.0,841.5 1611.0,843.4 1537.5,904.4 1574.0,913.6 1591.0,1948.0 1567.4,1948.0 1566.0,1843.0 768.1,1838.5 768.1,1845.8 393.6,1854.0 358.6,1882.0 332.4,1854.5 143.8,1915.8 47.3,1845.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1239.0,353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2769972,43.2211865]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2787907,43.2187787]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p62","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0062","type":"ImageService3","width":1607,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.3,1020.6 1519.0,1526.0 1441.3,1594.4 1421.2,1828.8 1077.7,1796.5 1041.8,1867.5 788.1,1903.8 59.7,1915.2 32.8,1761.7 152.3,1282.3 92.1,1158.1 123.8,825.0 41.6,552.8 112.8,421.2 112.1,190.4 297.2,128.5 323.2,155.3 357.3,127.5 725.7,116.2 725.6,109.0 1510.5,106.7 1512.8,210.0 1536.1,210.8 1549.0,726.6 1536.0,727.0 1536.0,773.0 1550.2,773.0 1556.3,1020.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1256.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2800876,43.2184085]}},{"type":"Feature","properties":{"resourceCoords":[736.0,1594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2827094,43.2176753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0063","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"402.5,1912.7 8.2,1909.5 108.3,1790.3 165.4,652.0 175.8,652.1 39.9,100.5 62.8,72.5 171.0,23.5 894.2,20.8 894.1,33.0 1568.7,40.8 1611.0,41.2 1611.0,1922.6 1602.0,1922.5 1341.0,1928.0 1004.0,1918.3 773.1,1915.2 402.5,1912.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,1281.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.27061168411936,43.22560941299632]}},{"type":"Feature","properties":{"resourceCoords":[798.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.27060594203103,43.226746987186786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0064","type":"ImageService3","width":1618,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.4,1881.9 1263.0,1883.3 1363.9,1887.4 1605.8,1886.9 1605.8,1884.3 1605.4,1295.2 1604.0,1295.0 1604.0,1249.0 1605.3,1248.7 1605.3,1234.1 1604.0,1234.0 1604.0,1187.0 1605.3,1186.5 1605.3,1181.2 1603.0,1181.0 1602.6,1160.1 1597.0,1117.0 1596.2,1070.8 1596.0,1062.0 1595.0,1014.0 1595.2,1013.8 1592.8,883.1 1591.0,883.0 1592.0,836.0 1557.0,831.0 1556.0,784.0 1601.9,768.6 1602.0,768.0 1604.3,767.9 1607.2,91.4 1510.5,38.6 1488.0,39.0 1440.0,36.0 1439.0,31.0 1397.0,32.0 1396.0,37.0 1241.0,40.0 1239.0,33.0 1155.0,35.0 1075.8,30.6 1047.7,30.9 951.0,36.0 945.0,32.0 879.9,35.3 879.9,37.5 1.0,44.1 1.0,1881.2 88.8,1892.0 173.6,1893.3 173.6,1881.3 762.4,1881.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,1280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2665323959946,43.22554694410026]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26455018135425,43.22670648767642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0065","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.9,825.5 85.4,830.5 92.5,1123.2 101.6,1190.0 107.0,1922.4 802.9,1923.0 1536.8,1920.5 1536.7,1691.3 1601.2,444.0 743.2,9.4 704.0,9.0 703.1,1.0 671.9,1.0 671.0,9.0 652.0,9.0 651.1,1.0 644.5,1.0 652.7,24.5 96.0,54.8 97.7,759.4 47.5,776.6 59.0,780.0 56.0,825.0 49.0,825.0 48.9,825.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26269204779899,43.22666198296115]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26095095713801,43.226643768301294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0066","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"697.1,1904.7 578.9,1901.4 464.2,1907.2 438.1,1900.4 98.8,1905.3 86.9,1279.5 83.7,1054.3 123.3,18.2 180.0,17.0 383.0,23.0 657.0,18.0 839.0,27.0 1078.0,23.0 1212.0,32.0 1356.9,28.6 1563.5,631.0 1428.5,632.9 1375.5,1259.6 1233.3,1261.0 1431.1,1636.1 1479.6,1778.7 1482.3,1892.2 697.1,1904.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25922779456998,43.22434643676142]}},{"type":"Feature","properties":{"resourceCoords":[84.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26088945660123,43.22664970569729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p67","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0067","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.5,1916.6 267.3,1802.3 220.9,1659.1 28.7,1281.7 170.7,1282.3 232.5,657.1 367.3,657.3 160.7,26.2 347.0,17.0 350.9,15.1 355.9,15.6 356.0,16.0 358.5,15.8 927.5,75.0 927.5,30.9 1564.0,32.0 1564.0,1280.0 1567.5,1914.2 1268.2,1915.0 781.7,1909.5 268.5,1916.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1564.0,1280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2542638,43.2243155]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2542207,43.2265903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0068","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.2,1898.9 675.0,1903.8 47.6,1916.3 41.0,1284.5 34.8,41.3 664.4,39.7 937.4,36.0 1207.0,34.1 1224.0,35.0 1502.9,33.5 1503.1,75.2 1507.5,652.6 1508.0,1277.5 1514.0,1899.3 1245.2,1898.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[668.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25265998915567,43.2254365152376]}},{"type":"Feature","properties":{"resourceCoords":[1507.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25055184200782,43.225466137161824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0069","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"646.0,1914.7 61.0,1911.8 64.5,1285.8 73.5,656.6 77.9,75.4 78.3,31.9 949.5,41.0 1416.5,49.2 1550.3,48.8 1582.8,42.7 1588.5,22.0 1597.3,22.0 1606.2,22.0 1586.1,1299.3 1582.5,1299.3 1579.3,1925.4 646.0,1914.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[942.0,665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2483853597279,43.225400133170496]}},{"type":"Feature","properties":{"resourceCoords":[942.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24837963354356,43.226521639717475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6388.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0006","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1480.4,1879.2 1484.0,1448.2 1489.3,1335.7 1596.0,1334.6 1596.0,1326.6 1588.1,1326.3 1512.8,724.9 1504.1,643.6 1471.1,651.9 1573.8,21.6 1499.3,20.4 1442.6,87.8 1068.3,31.7 921.6,80.8 908.0,586.6 825.8,718.6 203.1,798.4 168.0,768.9 152.1,768.6 146.1,768.5 126.3,1001.2 32.1,1025.7 106.8,1342.7 100.0,1890.9 782.3,1888.1 1480.4,1879.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25635149759862,43.232084799336725]}},{"type":"Feature","properties":{"resourceCoords":[794.0,1336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25726188411015,43.23287334506132]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0007","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.8,204.9 1542.8,324.6 1532.7,489.1 1506.6,600.9 1502.6,704.2 1521.2,1066.2 1545.8,1898.4 829.0,1890.6 703.2,1889.2 225.7,1884.0 136.2,1265.6 125.7,1182.0 91.8,1191.2 185.2,539.5 108.5,539.6 198.7,428.1 155.3,373.6 191.9,160.2 739.0,48.7 1573.4,62.6 1637.0,35.0 1637.0,93.6 1572.8,204.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[228.0,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25617298736364,43.23422142118165]}},{"type":"Feature","properties":{"resourceCoords":[228.0,1889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25573076358468,43.233823186704115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p70","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0070","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.7,1274.7 31.3,1274.7 43.6,67.7 526.0,53.8 526.2,42.0 566.4,39.2 1016.3,40.8 1015.5,77.5 1516.5,156.0 1512.8,610.9 1514.1,1274.8 1514.8,1898.9 1014.0,1895.0 27.9,1893.2 27.7,1274.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1014.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2442886,43.225359]}},{"type":"Feature","properties":{"resourceCoords":[1014.0,1895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2443174,43.2230847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p71","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0071","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1090.0,1642.4 580.4,1646.8 183.3,1652.2 76.9,1653.3 70.4,973.6 70.8,177.9 70.9,132.2 439.0,128.8 1086.5,121.7 1270.6,118.0 1588.0,116.7 1588.8,1001.0 1592.6,1632.7 1090.0,1642.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2417827,43.2253547]}},{"type":"Feature","properties":{"resourceCoords":[576.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.241746,43.226945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0072","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"525.8,1755.7 525.5,1790.4 14.2,1715.5 14.5,1683.0 15.2,1640.7 19.4,1017.6 29.6,145.4 539.5,141.8 1368.8,148.5 1620.0,354.3 1620.0,1003.0 1611.0,1004.0 1609.0,1014.0 1538.0,1017.0 1539.0,1062.0 1596.0,1063.0 1597.0,1067.0 1588.0,1069.0 1589.0,1114.0 1620.0,1119.0 1620.0,1124.0 1595.0,1130.0 1596.0,1178.0 1603.0,1179.0 1596.0,1184.0 1596.0,1231.0 1620.0,1232.0 1620.0,1243.0 1596.0,1248.0 1596.0,1293.0 1620.0,1295.0 1620.0,1304.0 1601.0,1307.0 1601.0,1326.6 1584.4,1344.2 1542.0,1343.3 1534.8,1797.9 1534.3,1840.7 1063.9,1772.0 1063.5,1786.5 525.8,1755.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1062.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23668105959878,43.224697639921246]}},{"type":"Feature","properties":{"resourceCoords":[534.0,139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23798860667388,43.22694095154007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p73","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0073","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"486.3,1751.6 486.0,1502.0 482.0,1010.2 484.6,335.3 482.8,9.2 502.6,9.2 503.0,14.0 565.0,16.0 565.4,9.1 567.8,9.1 569.0,15.0 594.0,15.0 606.0,11.0 701.0,10.0 701.1,9.0 717.0,9.0 1059.0,14.0 1219.0,9.0 1219.1,8.3 1323.7,4.7 1326.5,4.9 1327.0,9.0 1426.0,15.0 1514.3,15.4 1521.0,504.1 1542.4,998.8 1539.6,998.8 1543.9,1500.0 1558.0,1500.0 1518.3,1934.8 1327.3,1935.1 1327.3,1929.5 935.5,1930.8 891.0,1929.0 766.0,1928.0 560.0,1931.2 486.4,1927.7 486.3,1751.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[486.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2707377,43.2217832]}},{"type":"Feature","properties":{"resourceCoords":[1326.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2686288,43.2235437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0074","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.9,521.0 77.1,31.9 675.1,28.1 1183.5,25.6 1286.0,29.0 1531.7,26.7 1532.2,66.1 1541.8,637.8 1540.2,1535.9 1540.0,1883.4 1540.4,1913.9 1309.0,1919.0 1098.0,1915.0 919.0,1923.0 918.8,1927.4 709.1,1925.4 432.9,1937.2 74.1,1938.5 116.0,1493.1 102.2,1493.1 99.3,1003.9 102.0,1003.9 81.9,521.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1534.0,1125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26451674288882,43.222388052095006]}},{"type":"Feature","properties":{"resourceCoords":[1534.0,509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26449303086633,43.223518653767215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0075","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.4,1571.0 122.2,655.5 111.2,72.8 110.5,29.9 802.1,28.5 1531.4,23.9 1536.7,656.8 1537.3,1290.2 1542.3,1919.2 400.2,1923.8 350.0,1921.0 122.9,1922.8 122.4,1571.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[104.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26454889021777,43.22220141257281]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,1900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.26105276214625,43.22099740604325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p76","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0076","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.9,1903.1 146.1,1803.1 139.4,1320.2 131.4,687.6 127.8,50.5 472.9,47.6 499.5,54.6 616.1,49.5 736.2,55.5 736.2,53.5 1534.8,45.6 1534.8,46.6 1555.4,46.1 1506.2,1913.0 1462.0,1913.0 1316.0,1919.0 1105.0,1915.0 957.0,1919.0 941.9,1921.0 143.9,1903.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1513.0,675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2576139,43.2220636]}},{"type":"Feature","properties":{"resourceCoords":[830.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2592584,43.2232021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p77","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0077","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.1,1916.9 161.4,1898.1 224.6,36.4 720.1,29.3 1209.2,34.5 1510.0,33.5 1510.0,653.0 1513.7,1229.2 1509.0,1339.1 1516.1,1894.4 740.1,1916.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[178.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2576139,43.2220636]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2542993,43.2220361]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0078","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"688.9,41.5 1262.6,35.7 1533.0,35.8 1543.8,616.9 1538.4,662.2 1541.2,1241.6 1546.9,1837.0 1570.2,1881.6 1332.7,1866.3 74.8,1910.3 64.5,1356.7 68.5,1247.2 61.4,672.6 57.7,55.0 688.9,41.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1494.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25069274178422,43.22310811201902]}},{"type":"Feature","properties":{"resourceCoords":[1504.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25069894889286,43.221991187655775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0079","type":"ImageService3","width":1593,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1536.0,1890.7 721.1,1925.4 82.7,1881.2 59.6,1836.5 56.9,1241.5 57.0,662.5 62.6,617.2 54.7,36.5 638.9,32.6 1571.0,32.5 1569.6,657.4 1576.2,1855.1 1536.0,1890.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[892.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24850371249433,43.2231009222428]}},{"type":"Feature","properties":{"resourceCoords":[980.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.24835421442125,43.21975888448042]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0008","type":"ImageService3","width":1597,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.0,1893.2 94.5,1091.7 94.5,1091.4 80.6,742.6 85.6,643.1 112.0,535.8 123.5,377.4 153.8,262.5 216.8,156.0 218.4,99.1 344.9,45.6 757.0,84.5 741.3,137.7 996.3,320.5 1148.1,285.5 1245.2,328.1 1358.7,270.9 1452.1,329.3 1438.5,459.9 1528.2,534.1 1506.3,686.1 1522.4,715.8 1481.0,1137.4 1481.7,1280.2 1471.8,1850.7 1472.1,1892.2 792.9,1889.7 792.8,1908.5 109.0,1893.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[801.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2526771,43.2368341]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2540346,43.236015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p80","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0080","type":"ImageService3","width":1620,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.7,1300.6 1525.2,1893.4 1488.3,1893.5 1156.5,1861.3 810.3,1921.5 73.2,1887.0 28.9,1843.0 17.9,1852.5 25.6,661.7 34.5,40.5 1025.6,48.2 1528.9,55.1 1530.1,347.2 1531.2,634.1 1524.0,651.6 1513.7,1287.5 1544.7,1300.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[522.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2455878,43.2219567]}},{"type":"Feature","properties":{"resourceCoords":[522.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.245598,43.219725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p81","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0081","type":"ImageService3","width":1632,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.4,1277.7 73.8,1259.8 72.5,967.3 72.3,906.6 71.2,669.5 74.0,30.0 86.1,30.0 180.5,30.3 578.0,30.0 1088.1,32.3 1591.2,29.1 1590.4,72.0 1587.2,511.1 1577.8,1536.0 1573.9,1934.7 1571.2,1934.8 1560.8,1925.7 88.3,1923.8 56.2,1926.0 66.4,1277.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2417982,43.2242139]}},{"type":"Feature","properties":{"resourceCoords":[74.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2430402,43.2242173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p82","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0082","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1087.1,1895.2 591.8,1900.1 69.8,1903.3 53.1,1889.1 51.5,1496.9 46.8,494.6 44.1,97.5 552.4,164.9 552.3,130.5 1086.2,153.9 1086.4,139.5 1554.1,201.3 1554.3,450.6 1553.0,1144.8 1554.0,1894.0 1327.1,1894.6 1087.1,1895.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2355182,43.2232918]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2355804,43.2207251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p83","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0083","type":"ImageService3","width":1630,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1422.0,1797.5 1384.8,1882.0 875.5,1880.3 328.7,1874.5 329.0,1887.1 60.4,1886.6 41.2,1349.5 64.0,1350.0 66.0,1308.0 60.0,1303.0 39.5,1302.1 27.2,959.2 70.5,42.4 438.4,127.8 649.0,125.0 706.3,43.6 882.3,26.6 1490.2,56.8 1564.7,111.3 1628.6,1160.4 1557.0,1798.8 1422.0,1797.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[507.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.28789434404527,43.2167435779787]}},{"type":"Feature","properties":{"resourceCoords":[599.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.28943994262725,43.216105052571926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p84","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0084","type":"ImageService3","width":1594,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1300.3,1835.1 1044.0,1828.6 778.4,1831.5 288.2,1822.9 287.9,1854.5 37.4,1855.4 67.2,1801.1 4.5,137.2 271.9,137.1 271.6,124.5 815.8,129.3 1322.5,129.9 1359.4,45.8 1444.0,46.4 1493.8,46.8 1492.0,63.2 1550.7,175.1 1528.4,1792.2 1593.0,1793.2 1593.0,1818.0 1574.0,1818.0 1572.0,1824.0 1551.0,1823.0 1550.4,1834.0 1346.0,1834.9 1300.3,1835.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1256.0,314.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.28916435626236,43.214783683546]}},{"type":"Feature","properties":{"resourceCoords":[604.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.29050973514144,43.215664930057685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p85","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0085","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.0,1835.0 1574.0,50.3 1567.7,50.3 1313.9,44.5 1051.0,48.0 565.6,40.7 565.4,71.9 317.4,73.5 286.5,130.1 189.6,154.5 146.9,319.6 88.2,327.6 169.9,439.7 124.1,809.5 46.2,865.4 94.3,1376.0 28.5,1539.6 16.4,1535.8 17.0,1585.0 1.0,1616.0 1.0,1618.4 539.4,1878.8 540.1,1873.2 1118.6,1876.6 1227.9,1923.7 1236.0,1923.0 1382.0,1927.0 1385.6,1926.9 1393.8,1906.5 1531.7,1898.6 1581.0,1835.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2973903,43.2133005]}},{"type":"Feature","properties":{"resourceCoords":[1051.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2931187,43.2145527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p86","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0086","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.8,1920.6 1526.7,1886.9 1527.5,1479.0 1526.0,1479.0 1527.0,1433.0 1527.6,1433.0 1530.4,112.5 1450.4,95.7 1393.7,41.1 942.1,33.2 901.0,34.0 760.4,30.1 282.0,21.9 282.0,46.2 240.0,61.9 38.8,62.5 1.0,62.6 1.0,1838.8 76.8,1920.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1021.0,807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.29340425423376,43.21139740380486]}},{"type":"Feature","properties":{"resourceCoords":[506.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.29215285149651,43.21279451473686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0087","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.0,63.5 84.4,72.8 45.5,179.7 39.1,841.8 67.3,913.0 43.2,1008.1 69.5,1310.1 33.2,1677.9 86.9,1861.9 500.5,1919.8 915.8,1890.6 1415.7,1923.7 1559.0,1905.0 1591.7,1851.3 1589.5,77.3 1494.0,38.1 903.8,26.1 903.2,1.0 763.7,1.0 492.1,116.2 492.9,119.0 185.0,105.6 186.3,86.6 176.0,63.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[989.0,-98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.29687532884537,43.212380987698054]}},{"type":"Feature","properties":{"resourceCoords":[1240.0,-211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.29635251226067,43.211475629339375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0009","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"358.2,576.5 410.4,692.0 1135.8,640.7 1228.1,479.8 1093.0,349.9 1183.8,385.2 1496.3,92.8 1529.5,166.4 1454.8,417.1 1503.7,474.4 1416.6,629.9 1305.2,626.8 1190.8,745.6 1462.1,1880.3 1497.2,1914.2 1502.1,1939.5 1454.8,1908.2 1357.2,1886.8 797.6,1783.3 219.6,1738.2 273.2,1153.1 283.4,1006.5 358.2,576.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1538.0,1930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2479307297651,43.238356676281086]}},{"type":"Feature","properties":{"resourceCoords":[262.0,1658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.25066774116573,43.23711795790023]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p91","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0091","type":"ImageService3","width":1595,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.8,1218.0 1.0,1372.6 1.0,1516.7 42.3,1518.7 43.1,1805.4 141.5,1903.2 1559.5,1898.9 1554.1,73.0 799.6,22.5 112.2,69.4 180.8,104.1 187.5,106.9 282.1,530.1 208.1,529.4 70.3,1032.5 70.8,1218.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23262815349935,43.24382621605279]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22893708963558,43.24607096649316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p92 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.00"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1918.4"},{"label":"split_canvas_h","value":"2286.4"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.5,79.5 389.0,22.9 216.4,92.7 98.0,67.8 99.2,16.1 24.1,44.0 72.0,547.2 407.0,532.8 433.8,476.7 436.2,417.8 443.5,232.1 449.5,79.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.24049320393915,43.22054520616418]}},{"type":"Feature","properties":{"resourceCoords":[479.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23929912997957,43.22056542356173]}},{"type":"Feature","properties":{"resourceCoords":[479.6,571.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23926630084998,43.21952116825047]}},{"type":"Feature","properties":{"resourceCoords":[0.0,571.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.24046037480956,43.219500950852925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p92 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1900.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4523.2"},{"label":"split_canvas_h","value":"2286.4"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1200.4,542.1 1121.0,297.3 476.4,419.1 475.7,509.7 484.2,510.6 484.2,515.0 1072.1,542.0 1200.4,542.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[475.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23930432677291,43.22066322446228]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23653129034786,43.22064199026027]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,571.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23654592386411,43.21961276681139]}},{"type":"Feature","properties":{"resourceCoords":[475.2,571.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23931896028917,43.2196340010134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p92 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5076.0"},{"label":"split_canvas_w","value":"6424.0"},{"label":"split_canvas_h","value":"2720.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092","type":"ImageService3","width":1606,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"829.0,1890.5 830.9,1896.3 1159.0,1908.7 1217.3,1817.4 1600.2,1802.5 1605.0,1814.8 1605.0,1525.2 1605.0,1289.9 1380.7,1290.8 1135.3,1291.8 628.9,1297.6 95.2,1301.6 126.0,1327.5 91.7,1500.9 78.8,1489.7 79.2,1645.1 79.7,1779.0 79.8,1834.2 79.9,1894.2 107.6,1869.2 107.5,1773.4 747.9,1645.8 829.0,1890.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0092__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1153.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23674126481056,43.21967222271988]}},{"type":"Feature","properties":{"resourceCoords":[818.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23756672298583,43.21968375304034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0093","type":"ImageService3","width":1602,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.5,1175.0 54.0,1175.0 49.1,1439.7 115.1,1619.0 259.1,1618.9 372.7,1675.6 372.8,1812.0 782.0,1887.5 1054.7,1841.8 1460.0,1830.2 1494.0,1799.8 1543.1,1515.7 1575.9,1506.3 1575.1,1459.3 1582.9,1200.7 1581.8,815.0 1585.7,471.6 1560.2,471.5 1566.4,279.1 1601.0,291.1 1601.0,207.9 1044.1,12.8 857.0,12.0 794.0,12.0 779.0,9.0 778.1,1.0 192.7,1.0 189.0,13.0 173.0,13.0 170.2,1.0 170.0,1.0 170.0,10.0 162.0,14.0 146.0,14.0 145.1,1.0 118.1,1.0 118.0,28.9 99.2,48.7 77.5,48.1 73.0,280.7 70.7,431.1 63.9,788.9 57.9,1175.1 54.5,1175.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[821.0,1187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2318504602713,43.22068078433209]}},{"type":"Feature","properties":{"resourceCoords":[70.0,469.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.23551859199242,43.22323997535039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p94","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0094","type":"ImageService3","width":1613,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1176.8,1872.5 488.0,1869.0 83.4,1869.0 127.8,1326.6 136.1,1326.5 115.4,836.5 104.9,836.5 70.8,346.1 77.8,346.0 204.4,33.5 203.7,38.9 974.9,39.8 991.0,40.0 1304.1,40.1 1538.2,117.5 1605.0,816.3 1584.0,1125.8 1527.5,1321.5 1532.9,1321.5 1476.8,1869.0 1176.8,1872.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.225879,43.2331787]}},{"type":"Feature","properties":{"resourceCoords":[1144.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2241652,43.2359943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p95","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0095","type":"ImageService3","width":1602,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.1,1678.1 84.4,1149.2 89.9,1149.2 87.2,617.1 96.1,617.2 121.8,84.0 457.2,83.4 1161.3,85.7 1484.6,81.2 1516.9,610.5 1522.5,610.5 1508.6,1152.5 1547.7,1152.4 1384.8,1928.4 1229.0,1924.0 1201.3,1925.6 1111.6,1873.2 1111.7,1682.2 461.5,1679.5 89.1,1678.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1126.0,1692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22427285161945,43.230248486363195]}},{"type":"Feature","properties":{"resourceCoords":[463.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22586506551987,43.23315934726917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0096__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p96 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6476.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0096__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0096","type":"ImageService3","width":1619,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1321.5,1779.2 1558.4,1781.9 1557.3,1525.5 1557.6,764.3 1557.2,511.4 1569.0,511.8 1608.1,420.3 1596.7,420.1 1560.3,133.9 1402.7,39.1 1097.8,30.2 879.2,104.5 848.8,164.6 796.1,168.1 393.8,79.7 220.8,86.8 219.8,169.2 90.0,166.5 88.4,254.2 195.3,672.4 301.9,673.0 301.7,698.5 319.6,698.5 319.6,698.5 319.1,779.1 238.2,972.5 65.9,1383.9 23.1,1383.6 1.0,1436.7 1.0,1686.1 258.1,1767.6 514.7,1772.8 883.0,1777.2 1093.2,1777.9 1144.3,1778.2 1321.5,1779.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0096__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[882.0,1519.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.22313447698463,43.22562681153025]}},{"type":"Feature","properties":{"resourceCoords":[1093.0,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.21940148267421,43.22488269230632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p98 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3321.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.6,1690.3 153.6,1739.2 424.1,1773.7 424.2,1763.7 696.9,1740.6 696.8,1735.1 741.4,1731.2 723.6,1674.9 753.5,1304.2 722.9,1055.9 775.1,349.7 726.5,163.9 747.7,136.6 720.5,120.8 312.2,129.2 145.1,164.0 99.8,210.6 178.0,579.8 135.6,1018.3 217.1,1619.9 153.6,1690.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[697.3,855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2664561,43.2570031]}},{"type":"Feature","properties":{"resourceCoords":[153.1,1569.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2707747,43.2566234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Muskegon, Michigan | 1950 | sanborn04122_005 p98 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3321.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3210.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T15:12:31Z","modified":"2026-10-24T15:12:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.6,133.3 1486.2,137.3 1486.2,142.7 1220.0,166.2 1220.0,176.0 955.7,143.2 955.4,95.4 949.9,101.5 902.6,263.6 914.6,794.5 975.0,1366.8 935.6,1531.3 941.5,1713.5 955.6,1763.5 1104.3,1808.4 1492.6,1814.8 1528.2,1734.8 1508.2,1648.0 1543.4,1401.6 1509.8,1296.5 1517.0,955.5 1555.5,743.5 1523.3,265.8 1545.6,183.5 1529.6,133.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g04122195001:04122_01_1950-0098__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1223.2,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2761063,43.2515268]}},{"type":"Feature","properties":{"resourceCoords":[955.4,327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.272021,43.2557434]}}]}}]}