{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04131_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Northville, Michigan | 1914 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.43091,-83.48274 +/-443m); p1__2 (tier 1, 42.43259,-83.48544 +/-276m); p1__3 (tier 4, 42.43091,-83.48274 +/-443m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northville, Michigan | 1914 | sanborn04131_004 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:00:40Z","modified":"2026-10-19T22:00:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.1,58.8 1527.7,43.6 1594.3,137.1 1592.3,313.9 1563.8,403.6 1589.5,409.7 1574.5,591.1 1544.0,1034.2 1530.6,1340.2 1531.0,1893.4 1457.2,1893.5 1454.9,1888.2 512.9,1868.8 177.1,1879.8 112.0,1272.8 47.5,1273.2 67.1,58.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[939.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4846927,42.4309931]}},{"type":"Feature","properties":{"resourceCoords":[538.0,743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.485799,42.432034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northville, Michigan | 1914 | sanborn04131_004 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T22:00:40Z","modified":"2026-10-19T22:00:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.6,87.3 152.1,175.6 177.4,182.1 159.9,361.4 123.3,799.4 105.5,1102.0 97.8,1649.5 24.8,1648.5 124.2,1893.4 504.9,1884.0 790.6,1792.9 1384.1,1853.8 1383.8,1860.8 1460.4,1648.4 1470.6,1648.7 1546.4,1122.8 1558.2,1122.7 1627.0,1122.6 1627.0,1086.0 1432.1,755.2 1249.7,753.4 1204.2,690.8 1038.9,661.3 970.6,41.6 744.1,43.0 517.6,124.9 181.6,87.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[994.0,1116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.48099979144729,42.431200323110104]}},{"type":"Feature","properties":{"resourceCoords":[994.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.48087962404719,42.43021776307112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northville, Michigan | 1914 | sanborn04131_004 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4490.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2022.0"},{"label":"split_canvas_h","value":"2696.0"}],"created":"2026-10-19T22:00:40Z","modified":"2026-10-19T22:00:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.8,1.0 1423.1,1.0 1422.5,29.7 1146.6,66.1 1157.3,656.5 1347.7,583.7 1518.7,656.6 1549.0,607.0 1487.8,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1122.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.48766116475988,42.43095085537522]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.48640859712705,42.43102672835708]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,674.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.48627192496177,42.42979297876534]}},{"type":"Feature","properties":{"resourceCoords":[1122.5,674.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.4875244925946,42.42971710578348]}},{"type":"Feature","properties":{"resourceCoords":[1518.1,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.4866667,42.4308821]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northville, Michigan | 1914 | sanborn04131_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T22:00:40Z","modified":"2026-10-19T22:00:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"861.3,69.3 862.4,79.4 1388.0,85.9 1389.6,97.5 1398.5,165.0 1412.6,177.2 1474.2,628.5 1547.0,647.1 1599.5,1228.5 1550.3,1792.3 1232.8,1776.4 1005.9,1864.8 725.7,1883.4 581.0,1867.7 615.2,1823.1 481.4,1720.5 49.6,1730.8 34.5,1004.0 132.6,582.2 121.6,136.1 219.4,60.0 643.1,21.6 861.3,69.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041311914:04131_1914-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,-7.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.47989966461571,42.43041808225475]}},{"type":"Feature","properties":{"resourceCoords":[1380.0,-74.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.48002262179409,42.431277189329506]}}]}}]}