{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04048_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hudson, Michigan | 1888 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.85483,-84.35900 +/-117m); p1__2 (tier 4, 41.85377,-84.35623 +/-349m); p1__3 (tier 4, 41.85377,-84.35623 +/-349m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hudson, Michigan | 1888 | sanborn04048_001 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3040.4"},{"label":"split_canvas_y","value":"2098.8"},{"label":"split_canvas_w","value":"1713.6"},{"label":"split_canvas_h","value":"1925.6"}],"created":"2026-10-22T13:47:18Z","modified":"2026-10-22T13:47:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"788.1,579.4 791.6,945.9 1124.4,980.4 1169.2,927.1 1153.5,620.8 1111.2,621.0 1109.8,581.0 788.1,579.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[760.1,524.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35589128931942,41.85362479459134]}},{"type":"Feature","properties":{"resourceCoords":[1188.5,524.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35486433699971,41.853617430630514]}},{"type":"Feature","properties":{"resourceCoords":[1188.5,1006.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35487547036597,41.85275595739001]}},{"type":"Feature","properties":{"resourceCoords":[760.1,1006.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35590242268567,41.852763321350835]}},{"type":"Feature","properties":{"resourceCoords":[1109.4,572.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.355055,41.853533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hudson, Michigan | 1888 | sanborn04048_001 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2114.4"},{"label":"split_canvas_w","value":"3073.2"},{"label":"split_canvas_h","value":"1934.0"}],"created":"2026-10-22T13:47:18Z","modified":"2026-10-22T13:47:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.4,990.8 507.9,932.8 565.8,1002.8 747.7,986.9 732.3,586.5 552.9,534.6 31.1,545.5 15.0,982.5 445.4,990.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,528.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35890802447092,41.85165766905219]}},{"type":"Feature","properties":{"resourceCoords":[768.3,528.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35706644137478,41.85170837836819]}},{"type":"Feature","properties":{"resourceCoords":[768.3,1012.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35702353877087,41.85084388094362]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1012.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35886512186701,41.85079317162762]}},{"type":"Feature","properties":{"resourceCoords":[537.2,620.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3576122,41.8515288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hudson, Michigan | 1888 | sanborn04048_001 p1 [6]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3996.8"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3711.2"}],"created":"2026-10-22T13:47:18Z","modified":"2026-10-22T13:47:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1465.3,1000.4 1456.0,1044.9 588.6,1011.2 210.5,1040.8 73.0,1113.3 37.8,1701.3 65.3,1822.7 102.1,1868.8 135.3,1883.2 116.1,1921.9 1482.5,1921.0 1483.1,1926.0 1502.8,1926.0 1531.9,1926.0 1554.7,1476.7 1519.0,1477.1 1510.7,1000.1 1465.3,1000.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.0,1477.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3592364,41.8548337]}},{"type":"Feature","properties":{"resourceCoords":[1519.0,1477.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3580609,41.8548525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hudson, Michigan | 1888 | sanborn04048_001 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:47:18Z","modified":"2026-10-22T13:47:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.6,1844.5 120.9,514.5 76.2,177.2 143.2,112.7 311.5,106.9 834.2,165.4 834.2,136.9 1324.5,131.6 1325.0,167.5 1580.4,342.9 1557.5,344.4 1574.3,615.3 1627.0,614.1 1627.0,654.9 1588.2,655.2 1577.8,966.4 1560.3,966.0 1601.9,1851.7 1277.0,1888.8 1276.8,1841.5 841.4,1820.4 841.9,1855.0 379.7,1864.2 380.1,1908.1 73.6,1844.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.355129,41.854905]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,1403.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35691,41.853636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hudson, Michigan | 1888 | sanborn04048_001 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:47:18Z","modified":"2026-10-22T13:47:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.0,137.1 660.7,36.4 956.0,60.1 1074.4,119.8 1084.6,211.6 1357.2,234.1 1394.9,517.6 1546.2,533.4 1567.1,1819.8 1533.9,1871.3 1374.9,1875.8 1116.2,1684.3 1117.0,1647.0 608.0,1634.5 607.0,1664.1 66.6,1584.0 138.0,137.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114hm:g040481888:04048_1888-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1117.0,1647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35377,41.854023]}},{"type":"Feature","properties":{"resourceCoords":[656.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3502055,41.8549882]}}]}}]}