{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04084_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ludington, Michigan | 1910 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"44"},{"label":"placed","value":"26"},{"label":"unplaced","value":"18"},{"label":"fit sources","value":"georef-snap 14, georef 12"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p20__1 (tier 1, 43.94901,-86.44760 +/-263m); p20__2 (tier 1, 43.94909,-86.44576 +/-100m); p20__3 (tier 1, 43.94874,-86.44517 +/-100m); p21__1 (tier 1, 43.94879,-86.44181 +/-202m); p21__2 (tier 1, 43.94850,-86.44062 +/-100m); p21__3 (tier 1, 43.94942,-86.43954 +/-183m); p22__1 (tier 2, 43.94641,-86.44299 +/-555m); p22__2 (tier 1, 43.94917,-86.44891 +/-104m); p24__1 (tier 1, 43.94234,-86.43978 +/-208m); p27__1 (tier 1, 43.94188,-86.43726 +/-196m); p27__2 (tier 1, 43.94068,-86.43829 +/-200m); p29__1 (tier 1, 43.96719,-86.44494 +/-210m); p29__3 (tier 1, 43.96661,-86.44571 +/-124m); p30__1 (tier 4, 43.95389,-86.44438 +/-1648m); p30__2 (tier 4, 43.95389,-86.44438 +/-1648m); p30__3 (tier 4, 43.95389,-86.44438 +/-1648m); p30__4 (tier 4, 43.95389,-86.44438 +/-1648m); p30__5 (tier 4, 43.95389,-86.44438 +/-1648m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.9,1781.5 16.6,1780.5 17.0,1221.6 44.5,1221.5 37.5,662.6 16.8,662.7 13.6,121.8 550.1,122.1 1083.0,119.7 1622.1,118.8 1620.8,654.9 1624.8,937.3 1627.0,1372.5 1627.0,1895.0 1615.5,1895.6 1614.7,1778.9 597.9,1781.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44640112641498,43.95555841787846]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4450506628951,43.9555668176852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.9,1588.0 21.0,1867.3 65.8,1867.3 514.8,1863.8 603.0,1866.3 1620.0,1868.1 1624.0,1601.2 1627.0,1266.3 1627.0,1151.3 1610.0,1154.3 1590.4,237.6 1449.0,50.0 961.6,109.6 668.8,35.1 575.4,62.9 573.2,1.0 556.5,1.0 556.6,209.4 17.0,207.0 15.1,743.1 18.7,1025.6 20.9,1588.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1088.0,1318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44082558376984,43.95559985155536]}},{"type":"Feature","properties":{"resourceCoords":[65.0,1318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44350278285309,43.95558087319601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1028.2,1803.4 813.9,1875.5 57.4,1860.8 81.6,236.7 444.1,115.6 496.0,116.0 972.9,119.2 1591.3,119.0 1591.6,402.2 1580.0,1778.0 1028.4,1765.5 1028.2,1803.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1580.0,1778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4477678,43.9514576]}},{"type":"Feature","properties":{"resourceCoords":[496.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4506261,43.9544825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.8,414.3 25.6,136.4 608.5,141.8 1627.0,146.9 1627.0,1768.7 1584.9,1768.6 1087.8,1767.4 819.0,1763.8 554.1,1759.2 76.6,1765.4 19.7,1764.2 26.8,414.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1594.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44368169024865,43.952503697745954]}},{"type":"Feature","properties":{"resourceCoords":[72.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4476537245094,43.95245726335108]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0014","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.3,146.7 1.0,146.8 1.0,464.8 3.8,692.5 1.0,1231.7 4.0,1769.1 545.8,1763.0 1039.1,1759.0 1591.1,1758.0 1596.2,1216.2 1597.0,678.1 1600.3,138.2 580.1,142.5 491.6,140.4 41.3,146.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44214536988696,43.9525112327137]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.43949724050259,43.95251879870664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.8,1360.3 71.0,807.9 73.4,534.0 74.6,72.0 409.1,10.6 1533.3,58.7 1604.8,624.8 1600.3,1852.0 1557.7,1900.3 1210.5,1902.2 67.2,1910.8 67.8,1360.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.43939108079088,43.95458436116806]}},{"type":"Feature","properties":{"resourceCoords":[1210.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.43650489426999,43.95261843088988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.3,1800.2 1030.4,1783.8 306.3,1879.2 123.6,1809.1 174.2,1500.7 59.2,1358.3 125.7,998.7 55.4,835.1 47.4,157.1 13.6,156.4 229.4,84.1 229.7,46.0 785.0,59.3 843.4,60.8 1333.5,56.7 1605.3,62.6 1596.0,620.4 1590.2,1172.7 1575.5,1172.6 1581.3,1800.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[782.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4477462482291,43.950441958426495]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,1166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44569022539342,43.94946162337502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p17","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0017","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1381.2,1805.9 1147.8,1715.1 934.6,1778.5 458.9,1736.0 377.6,1793.6 112.5,1788.0 101.4,1164.0 116.0,1164.0 117.1,614.7 121.6,59.9 395.9,62.5 903.2,61.7 948.4,61.6 1501.1,60.0 1494.3,616.1 1492.0,1164.0 1526.7,1164.6 1497.5,1807.3 1381.2,1805.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4456614,43.9494497]}},{"type":"Feature","properties":{"resourceCoords":[1492.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4421422,43.9494807]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0018","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.2,1814.9 1471.2,1836.0 1232.6,1725.0 1080.2,1723.7 548.9,1864.2 513.1,1813.1 207.3,1810.5 234.0,1173.4 199.6,1172.9 200.0,630.0 204.8,78.8 703.5,77.2 1261.5,78.8 1253.8,629.8 1252.2,1177.3 1469.3,1176.8 1562.2,1368.7 1551.2,1814.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[200.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4421535,43.9504896]}},{"type":"Feature","properties":{"resourceCoords":[750.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4407464,43.9515261]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0019","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"263.9,1680.0 45.3,1681.3 45.0,1130.0 50.7,575.3 56.5,23.9 1193.8,17.0 1539.2,15.7 1530.2,25.9 1609.2,304.1 1555.3,830.0 1579.3,1838.8 1052.7,1901.9 358.4,1861.8 358.2,1872.8 263.9,1680.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.43648825015006,43.950529198470726]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.43937986286979,43.950518464225645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p23","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0023","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.0,1763.2 63.5,1439.9 85.6,52.0 1182.3,42.9 1259.4,147.7 1552.2,135.1 1592.5,972.4 1500.8,1251.6 1526.8,1251.5 1445.5,1798.7 1265.7,1799.8 1208.0,1798.0 704.0,1798.7 111.0,1798.0 119.0,1763.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4364255,43.9445187]}},{"type":"Feature","properties":{"resourceCoords":[111.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4392377,43.9444544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p24 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.14"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2298.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4214.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0024","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.3,1675.7 1511.1,1602.9 1520.5,1203.7 1522.0,1137.2 1526.0,560.0 1532.0,287.0 1538.1,1.0 1528.7,1.0 1494.3,97.3 677.7,55.0 616.4,506.8 686.8,790.0 653.3,819.6 730.9,1809.5 1310.0,1900.2 1522.9,1888.4 1535.2,1840.0 1530.3,1675.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1526.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4391948,43.9434291]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4390525,43.941451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p25","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0025","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.0,1244.7 97.2,684.8 98.4,419.9 99.7,126.2 696.0,128.5 1202.9,129.1 1260.9,131.1 1434.9,130.6 1519.4,685.1 1465.8,684.8 1487.2,1236.2 1466.5,1236.3 1264.0,1791.3 1193.8,1791.5 1179.6,1926.0 1167.3,1926.0 1160.2,1926.0 1157.1,1854.7 159.5,1791.0 127.6,1926.0 127.0,1926.0 126.2,1926.0 120.1,1766.8 100.2,1696.5 103.0,1244.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4377811,43.9434711]}},{"type":"Feature","properties":{"resourceCoords":[652.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4376836,43.941434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0026","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"378.5,1887.9 1453.7,1892.3 1589.4,1870.2 1601.3,1532.2 1541.8,88.2 1264.4,26.9 271.1,28.7 251.7,1.0 250.7,1.0 174.2,231.2 200.5,231.2 116.7,781.6 109.9,781.7 194.0,1336.8 140.4,1336.5 161.3,1888.3 378.5,1887.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[975.0,229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4336803,43.9456002]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4322144,43.9446166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p28","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0028","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.3,809.7 38.4,675.4 108.4,675.2 309.9,121.1 547.3,120.2 1570.4,131.0 1587.9,1796.8 51.9,1870.0 4.9,809.8 24.3,809.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4348389,43.9404874]}},{"type":"Feature","properties":{"resourceCoords":[593.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4349337,43.942523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p29 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2172.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2533.6"},{"label":"split_canvas_h","value":"4340.0"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"594.5,909.3 595.6,1022.7 1124.3,967.2 1123.5,773.2 592.2,678.8 594.5,908.3 594.5,909.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1122.5,563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.445171,43.964917]}},{"type":"Feature","properties":{"resourceCoords":[591.1,563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4465768,43.9649126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p29 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2172.4"},{"label":"split_canvas_y","value":"4340.0"},{"label":"split_canvas_w","value":"4339.6"},{"label":"split_canvas_h","value":"3368.0"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1094.9,1804.0 1092.7,1926.0 1569.1,1926.0 1598.0,1862.6 1612.5,1328.7 1560.8,1144.5 1283.7,1186.2 1285.4,1123.0 1127.8,1085.0 1015.7,1085.0 776.0,1116.2 689.5,1085.0 584.9,1085.0 543.1,1926.0 561.3,1926.0 563.6,1926.0 566.5,1698.2 1094.9,1804.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0029__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[543.1,1085.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44667836945042,43.965867368485014]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1085.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44380604494296,43.96592374868347]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44374568272194,43.96430805287084]}},{"type":"Feature","properties":{"resourceCoords":[543.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.4466180072294,43.96425167267238]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.6,1843.5 556.6,1744.0 556.3,1779.6 1088.5,1797.2 1088.8,1778.0 1561.1,1787.8 1611.8,1787.0 1619.2,1259.6 1621.2,93.5 1292.1,19.6 645.1,30.6 606.4,660.6 347.9,658.4 65.8,661.4 44.0,703.2 31.8,1481.5 31.6,1843.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1589.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44796626181518,43.96061300487792]}},{"type":"Feature","properties":{"resourceCoords":[64.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.45207999194338,43.962829106816926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p2 [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":"2448.0"},{"label":"split_canvas_h","value":"2642.4"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.5,635.5 577.7,648.3 581.6,438.0 598.4,438.3 592.0,12.0 48.0,42.6 35.5,635.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44229561642753,43.95870078886401]}},{"type":"Feature","properties":{"resourceCoords":[574.0,629.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44225581855005,43.95771328372217]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.8,1870.4 560.1,1870.9 821.6,1869.4 1130.5,1871.9 1598.6,1872.7 1621.7,933.8 1600.2,271.9 1531.6,51.3 1553.3,1.0 1084.3,1.0 1084.2,60.9 554.6,113.5 554.1,1.0 532.9,1.0 531.9,34.0 78.0,36.5 34.1,163.8 26.9,162.2 31.3,1338.4 26.8,1870.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1091.0,1346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44510891289495,43.96170271397435]}},{"type":"Feature","properties":{"resourceCoords":[61.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44781658821954,43.960693709042815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.9,19.1 1578.2,41.2 1581.8,749.0 1580.0,1782.3 1087.9,1777.2 599.9,1780.9 548.0,1781.0 548.0,1867.9 64.1,1821.6 63.8,1777.8 32.3,1778.1 56.9,19.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1582.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4520978,43.9596308]}},{"type":"Feature","properties":{"resourceCoords":[62.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4564408,43.9595988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.8,652.5 19.1,229.5 547.3,125.6 547.2,161.4 1083.5,175.4 1083.5,156.0 1559.4,162.5 1610.5,161.3 1614.0,206.7 1612.0,696.7 1617.3,737.3 1612.1,1759.2 1129.7,1757.6 1027.6,1767.4 552.0,1767.4 21.7,1768.2 21.8,652.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1582.0,690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44797038159601,43.95967714817569]}},{"type":"Feature","properties":{"resourceCoords":[55.0,690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4520110100628,43.959652386468626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.2,720.9 6.9,679.8 11.4,183.8 8.1,137.9 547.1,140.1 811.4,139.4 1123.7,142.9 1596.8,145.3 1568.2,1172.1 1615.3,1168.7 1612.0,1759.8 1072.4,1758.2 538.9,1758.0 1.8,1755.2 12.2,720.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1590.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44373321162493,43.95866756312119]}},{"type":"Feature","properties":{"resourceCoords":[61.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.44776927114383,43.96072526882547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.5,1754.9 1552.7,1885.8 1509.9,1826.5 1166.5,1820.5 750.0,1820.5 434.3,1902.6 47.4,1881.2 34.7,105.1 79.8,32.8 1030.2,13.0 1030.3,7.3 1065.5,7.2 1065.4,56.0 1604.2,111.7 1604.9,14.8 1627.0,14.9 1627.0,1757.1 1591.5,1754.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4578062,43.956539]}},{"type":"Feature","properties":{"resourceCoords":[1058.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4563492,43.9544322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.2,111.0 1.0,111.0 1.0,1821.0 1217.1,1890.3 1217.0,1897.5 1571.3,1776.0 1622.1,1776.0 1620.9,1276.7 1624.3,1148.3 1621.7,913.6 1624.3,648.7 1623.8,114.5 1086.8,113.8 548.9,107.5 15.2,111.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.45204214515887,43.95442561958221]}},{"type":"Feature","properties":{"resourceCoords":[560.0,1226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.45341822320974,43.95549430358805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1910 | sanborn04084_005 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:08:41Z","modified":"2026-10-19T09:08:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"767.3,97.6 873.1,87.6 1373.1,89.7 1375.9,644.2 1397.2,644.1 1403.8,1217.2 1375.7,1217.2 1374.7,1790.2 754.4,1796.5 276.0,1798.0 273.8,1286.8 277.1,1155.5 273.9,915.2 276.0,644.0 274.4,97.2 767.3,97.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841910:04084_1910-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[276.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4506541,43.9566033]}},{"type":"Feature","properties":{"resourceCoords":[276.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4506261,43.9544825]}}]}}]}