{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03903_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Allegan, Michigan | 1918 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"19"},{"label":"placed","value":"9"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 5, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.52673,-85.84754 +/-100m); p2__2 (tier 2, 42.52912,-85.85014 +/-100m); p3__1 (tier 1, 42.53707,-85.84071 +/-100m); p3__3 (tier 2, 42.53002,-85.85139 +/-152m); p3__4 (tier 1, 42.53664,-85.84227 +/-100m); p3__5 (tier 1, 42.54218,-85.84832 +/-100m); p5__2 (tier 2, 42.52939,-85.85385 +/-133m); p6__2 (tier 1, 42.52650,-85.85585 +/-100m); p6__3 (tier 3, 42.52393,-85.85918 +/-952m); p8__3 (tier 1, 42.53518,-85.85084 +/-196m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"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":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.3,1377.5 123.1,1378.3 214.4,1476.5 235.9,1628.2 828.2,1734.0 1057.0,1895.8 1246.4,1870.8 1547.0,1615.8 1578.6,1005.3 1309.5,649.7 1347.2,499.8 1301.0,321.1 1176.8,332.6 811.6,132.4 811.8,129.2 548.1,180.2 536.3,130.6 294.3,130.0 65.0,129.5 64.0,612.4 40.6,612.4 103.8,1154.8 142.5,1155.4 129.3,1374.7 122.3,1377.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0002__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":[-85.8507275877133,42.52988109503208]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84668526392859,42.52960150752107]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84713118362791,42.52605053890051]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.85117350741261,42.52633012641152]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2259.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4252.4"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.6,1700.7 1527.0,836.6 1527.5,583.3 1528.0,339.8 1578.2,327.8 1526.5,62.6 896.4,26.0 599.9,104.7 593.6,127.1 638.1,117.1 603.6,617.4 674.9,744.2 794.5,1385.7 812.3,1858.2 1054.9,1786.1 1048.4,1768.6 1142.5,1732.9 1521.6,1700.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.5,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.85280614313447,42.53067075890386]}},{"type":"Feature","properties":{"resourceCoords":[1527.1,1696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.85277278095606,42.52978230226086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1083.5,1821.1 573.6,1796.2 573.0,1840.0 49.6,1842.1 101.0,846.0 432.7,53.2 441.3,32.5 891.3,217.7 882.4,239.3 1412.2,387.9 1427.5,352.3 1627.0,448.1 1627.0,450.8 1627.0,455.7 1607.0,463.2 1536.0,1777.8 1415.6,1794.8 1366.7,1879.7 1082.4,1850.2 1083.5,1821.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.852783,42.529793]}},{"type":"Feature","properties":{"resourceCoords":[573.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.854809,42.528431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"277.1,175.4 262.0,387.5 262.0,399.0 261.2,399.0 261.1,400.3 177.1,400.1 88.2,528.5 37.9,766.9 61.9,1874.0 1434.5,1876.5 1548.4,1874.2 1555.2,1087.8 1030.3,1104.5 1054.2,104.1 692.2,1.0 588.3,1.0 588.1,18.6 350.6,1.0 335.8,1.0 277.1,175.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.8576622810339,42.53063431065342]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.85670273488492,42.52806441246513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p5 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4312.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2199.2"},{"label":"split_canvas_h","value":"4153.2"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1111.2,862.2 1117.3,998.5 1228.9,1012.8 1587.7,908.1 1605.8,58.1 1627.0,59.6 1627.0,33.1 1627.0,30.1 1110.2,23.6 1111.2,68.0 1111.2,862.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.2,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.854809,42.528431]}},{"type":"Feature","properties":{"resourceCoords":[1111.2,862.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.856697,42.528061]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p6 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.85"},{"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":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.2,1534.7 1524.0,111.8 1082.0,29.2 247.6,24.9 56.3,84.3 33.6,1597.2 148.3,1783.8 318.7,1885.2 796.3,1872.5 927.8,1712.3 936.6,1620.6 936.7,1612.0 936.8,1602.4 938.4,1602.4 938.4,1601.8 1313.3,1562.1 1313.4,1554.7 1377.3,1555.3 1572.2,1534.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.858918,42.525904]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1534.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.855953,42.526331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.2,1925.1 124.0,1926.0 117.5,1883.3 1559.3,1877.4 1511.0,1776.7 1513.5,1612.6 1588.9,1356.8 1526.4,792.0 1579.6,129.0 1359.8,39.9 145.9,70.8 142.9,1.0 128.9,1.0 129.9,190.6 83.2,319.6 106.9,741.1 54.1,918.8 134.4,1262.7 71.5,1632.8 104.2,1925.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[132.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.848668,42.533816]}},{"type":"Feature","properties":{"resourceCoords":[1128.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.8461135,42.5338455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p8 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.51"},{"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":"4701.2"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.4,1035.5 1569.8,842.0 1584.0,842.0 1571.8,544.1 774.0,595.2 754.5,464.4 704.0,456.3 749.1,362.9 725.2,72.5 551.7,55.0 449.0,125.7 64.4,162.3 30.8,835.7 119.5,1141.6 1373.8,1163.8 1524.2,1162.6 1570.4,1035.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[264.0,920.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.851994,42.534663]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,920.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.848694,42.534706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Allegan, Michigan | 1918 | sanborn03903_007 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3206.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3305.2"},{"label":"split_canvas_h","value":"2168.0"}],"created":"2026-10-18T21:11:44Z","modified":"2026-10-18T21:11:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1542.8,36.0 1332.1,86.2 835.4,54.9 839.3,509.1 1039.2,468.3 1312.4,505.5 1394.6,503.2 1584.7,457.8 1542.8,36.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[801.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84390353753147,42.524129527922135]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84229410145406,42.5231051758989]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,542.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84319861654438,42.52232229679894]}},{"type":"Feature","properties":{"resourceCoords":[801.7,542.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.8448080526218,42.52334664882218]}}]}}]}