{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03975_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Constantine, Michigan | 1909 | 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":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p5__2 (tier 1, 41.84251,-85.66459 +/-100m); p5__3 (tier 1, 41.84028,-85.66355 +/-100m); p5__4 (tier 1, 41.83617,-85.66614 +/-100m); p5__5 (tier 1, 41.83724,-85.67028 +/-129m)"},{"label":"withheld","value":"p1__2 (5.1 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1909 | sanborn03975_004 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2407.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5300.8"}],"created":"2026-09-22T07:46:52Z","modified":"2026-09-22T07:46:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.8,1361.0 112.0,1834.0 1119.7,1824.3 1119.6,1927.0 1628.0,1927.0 1628.0,621.1 0.0,601.8 -0.0,1284.0 76.0,1255.1 116.8,1361.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1031.0,824.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6648691,41.8447276]}},{"type":"Feature","properties":{"resourceCoords":[112.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.665732,41.842269]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1909 | sanborn03975_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:46:52Z","modified":"2026-09-22T07:46:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.3,650.2 141.2,651.0 152.7,40.8 1524.5,49.4 1499.2,1927.0 -0.0,1927.0 -0.0,1355.8 73.1,1355.1 75.3,650.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66778836603888,41.84287091772879]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66586667657859,41.84020376438034]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.67007456218873,41.838497203062026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.67199625164902,41.841164356410474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1909 | sanborn03975_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-22T07:46:52Z","modified":"2026-09-22T07:46:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,33.5 1628.0,-0.0 1628.0,1927.0 -0.0,1927.0 -0.0,33.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[969.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6676204,41.8376729]}},{"type":"Feature","properties":{"resourceCoords":[969.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6649522,41.8387205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1909 | sanborn03975_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:46:52Z","modified":"2026-09-22T07:46:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.8,1927.0 29.8,39.0 1628.0,27.3 1628.0,1927.0 38.8,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66718885041867,41.841758571565]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66354499286197,41.843201615952225]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66126834038111,41.839965687081715]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66491219793781,41.83852264269449]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1909 | sanborn03975_004 p5 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4249.2"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-22T07:46:52Z","modified":"2026-09-22T07:46:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 406.1,1927.0 585.4,1540.8 582.8,1261.0 577.4,729.3 963.0,727.4 992.9,662.9 992.3,67.0 532.5,54.0 428.9,91.7 401.4,165.1 -0.0,157.8 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751909:03975_1909-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[408.1,1823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.670417,41.841634]}},{"type":"Feature","properties":{"resourceCoords":[992.3,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.665732,41.842269]}}]}}]}