{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03931_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Birmingham, Michigan | 1926 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"16"},{"label":"placed","value":"9"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 9"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1__2 (tier 2, 42.55205,-83.20616 +/-100m); p3__1 (tier 1, 42.54614,-83.21360 +/-199m); p3__2 (tier 2, 42.54332,-83.21310 +/-914m); p4__1 (tier 3, 42.54671,-83.21859 +/-1312m); p4__3 (tier 1, 42.55053,-83.21788 +/-100m); p5__3 (tier 1, 42.54245,-83.21089 +/-108m); p5__4 (tier 2, 42.54484,-83.21288 +/-284m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p1 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"30"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2436.8"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5271.2"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.1,1927.0 1628.0,1927.0 1628.0,1022.0 1047.5,1019.2 1048.7,672.8 747.9,674.0 703.9,674.2 439.8,675.3 402.5,671.4 76.4,672.3 77.0,1151.1 145.4,1151.1 145.6,1396.1 242.8,1395.9 158.3,1907.2 814.8,1907.0 815.1,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.0,1151.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2083248,42.5496401]}},{"type":"Feature","properties":{"resourceCoords":[813.0,1151.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2071192,42.5496736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p2","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"962.6,1927.0 518.7,1927.0 518.0,1836.0 73.9,1839.6 86.6,736.0 115.0,665.3 196.4,620.7 -0.0,608.8 -0.0,-0.0 1075.1,0.0 1581.2,882.7 1628.0,890.0 1628.0,1927.0 1409.0,1927.0 1410.0,1818.0 962.0,1832.5 962.6,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[960.0,1038.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2161075,42.5466642]}},{"type":"Feature","properties":{"resourceCoords":[518.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2171595,42.5451666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p4 [2]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"49"},{"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":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1594.9,1927.0 1598.7,706.8 1369.8,710.9 1369.3,771.9 1142.7,755.9 1143.0,709.4 916.2,708.0 930.8,144.6 945.8,108.7 983.9,88.5 983.7,86.2 886.9,78.9 888.6,0.0 414.2,0.0 410.3,337.5 0.0,338.9 -0.0,1927.0 1594.9,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2191217,42.5409261]}},{"type":"Feature","properties":{"resourceCoords":[1130.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2169801,42.5409938]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1245.2"},{"label":"split_canvas_h","value":"2046.4"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,510.7 311.3,511.6 305.7,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__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":[-83.2145122790054,42.534180984473046]}},{"type":"Feature","properties":{"resourceCoords":[311.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.212969493499,42.534227308357075]}},{"type":"Feature","properties":{"resourceCoords":[311.3,511.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.21286588334156,42.53235780036442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,511.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.21440866884797,42.532311476480395]}},{"type":"Feature","properties":{"resourceCoords":[29.0,472.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2142727,42.5324582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p5 [2]","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"20"},{"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":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1602.8 -0.0,1927.0 1379.3,1927.0 1244.7,1581.6 1188.2,1491.8 1203.7,1491.6 1628.0,1486.8 1628.0,53.6 614.8,36.1 610.4,402.2 364.3,511.7 311.3,511.6 29.4,510.8 13.0,1603.0 -0.0,1602.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1233.0,405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2088633,42.5455287]}},{"type":"Feature","properties":{"resourceCoords":[1233.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2089623,42.5468573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 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":"4140.8"},{"label":"split_canvas_h","value":"2450.8"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,485.4 0.0,558.7 76.6,545.2 262.8,586.5 1030.7,586.8 1035.2,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[315.1,337.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.209689,42.5522635]}},{"type":"Feature","properties":{"resourceCoords":[806.1,586.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2072112,42.5514298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p6 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"4113.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2398.4"},{"label":"split_canvas_h","value":"3444.0"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 1035.2,0.0 1030.5,612.7 1028.6,836.0 1628.0,845.5 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.4,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2055027,42.5414765]}},{"type":"Feature","properties":{"resourceCoords":[1051.4,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2053549,42.5390988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p6 [3]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2180.8"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5527.2"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1237.8,1927.0 1628.0,1863.5 1628.0,1362.4 1535.3,1377.9 1496.5,1144.2 1431.2,1155.0 1382.0,859.4 1028.4,857.1 1030.5,612.7 368.8,610.1 324.0,609.9 281.9,590.8 76.6,545.2 0.0,558.7 -0.0,1612.5 474.2,1538.7 500.2,1572.1 785.2,1927.0 1237.8,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,1378.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2103846,42.5486867]}},{"type":"Feature","properties":{"resourceCoords":[637.0,1040.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2147415,42.5503783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Birmingham, Michigan | 1926 | sanborn03931_006 p7","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"}],"created":"2026-09-23T10:49:55Z","modified":"2026-09-23T10:49:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 0.0,-0.0 919.6,0.0 920.0,43.2 1517.2,46.9 1516.8,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114bm:g039311926:03931_1926-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2056861,42.5342965]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.2056079,42.5327045]}}]}}]}