{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03903_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Allegan, Michigan | 1918 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"20"},{"label":"placed","value":"9"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 6, georef-snap 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.52653,-85.84563 +/-228m); p1__2 (tier 3, 42.52565,-85.85342 +/-787m); p2__2 (tier 2, 42.52906,-85.85016 +/-100m); p3__1 (tier 1, 42.53762,-85.84318 +/-100m); p3__3 (tier 2, 42.52987,-85.85162 +/-100m); p3__4 (tier 1, 42.53660,-85.84234 +/-100m); p3__5 (tier 1, 42.54221,-85.84833 +/-100m); p5__2 (tier 2, 42.52939,-85.85384 +/-134m); p6__2 (tier 1, 42.52632,-85.85731 +/-100m); p6__3 (tier 3, 42.52393,-85.85918 +/-787m); p8__3 (tier 1, 42.52147,-85.84253 +/-191m)"}],"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":"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":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"-0.0,1927.0 1330.0,1927.0 1628.0,1927.0 1628.0,938.8 1314.4,645.5 1628.0,409.3 1628.0,0.0 537.2,0.0 539.5,132.2 -0.0,127.6 -0.0,1927.0\" /></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":[-85.85073939789274,42.529879820091054]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84668942268073,42.52961628458439]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84710973862303,42.5260585768548]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.85115971383505,42.52632211236146]}}]}},{"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":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"1750.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4762.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1484.5,333.7 1350.1,339.7 1336.0,-0.0 569.7,0.0 567.6,388.8 445.5,389.2 437.5,673.2 562.8,672.8 558.1,1032.6 679.7,1033.0 681.7,1585.4 735.8,1585.4 735.6,1927.0 1051.0,1927.0 1115.0,1927.0 1057.0,1785.7 1160.2,1740.6 1527.0,1696.0 1484.5,333.7\" /></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":[1044.2,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.8527721,42.5306793]}},{"type":"Feature","properties":{"resourceCoords":[1527.0,1696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.852783,42.529793]}}]}},{"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":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"569.2,1836.7 48.4,1847.0 87.8,849.3 390.8,93.8 1628.0,573.4 1628.0,1927.0 1074.4,1927.0 1078.0,1779.7 569.8,1769.5 569.2,1836.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114am:g039031918:03903_1918-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.85081416111535,42.53038566266553]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84968532348127,42.52749822345101]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.85429057596654,42.52650660291368]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.85541941360063,42.529394042128196]}}]}},{"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":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1510.3,1927.0 1511.5,1876.2 1546.0,1876.0 1563.0,1092.5 1039.3,1101.8 1076.2,105.3 724.6,-0.0 612.7,-0.0 609.3,151.6 262.3,-0.0 0.0,0.0 263.4,153.0 259.8,398.3 0.0,399.3 -0.0,1927.0 1510.3,1927.0\" /></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":[-85.857707,42.530627]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.856697,42.528061]}}]}},{"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":"split_canvas_x","value":"4307.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2204.4"},{"label":"split_canvas_h","value":"4148.8"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1628.0,0.0 1110.2,0.0 1111.8,862.2 1084.5,863.0 1086.0,1037.2 1628.0,1034.6 1628.0,0.0\" /></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":[1111.8,68.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.854809,42.528431]}},{"type":"Feature","properties":{"resourceCoords":[1111.8,862.2],"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":"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":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1427.7,0.0 1327.7,0.0 -0.0,-0.0 -0.0,1927.0 932.3,1927.0 937.0,1602.5 1315.2,1607.3 1316.8,1560.2 1628.0,1555.7 1628.0,0.0 1427.7,0.0\" /></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"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"128.9,0.0 1628.0,0.0 1628.0,1927.0 255.1,1927.0 266.3,1850.4 -0.0,1811.3 -0.0,328.1 130.6,327.8 128.9,0.0\" /></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":"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":"4698.4"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1628.0,533.7 805.9,540.0 798.7,0.0 -0.0,0.0 -0.0,1174.6 1570.3,1162.5 1569.3,842.1 1628.0,842.2 1628.0,533.7\" /></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":[264.0,919.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.851994,42.534663]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,919.7],"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":"split_canvas_x","value":"3194.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3317.2"},{"label":"split_canvas_h","value":"2160.0"}],"created":"2026-09-22T07:02:33Z","modified":"2026-09-22T07:02:33Z","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=\"1628.0,-0.0 798.7,0.0 805.9,540.0 1628.0,533.7 1628.0,-0.0\" /></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":[798.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84392449583831,42.524128366220964]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84229304524881,42.52311104579627]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,540.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84318480205495,42.52232324468102]}},{"type":"Feature","properties":{"resourceCoords":[798.7,540.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.84481625264445,42.52334056510571]}}]}}]}