{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03991_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Durand, Michigan | 1896 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.91473,-83.98967 +/-110m); p1__2 (tier 1, 42.90948,-83.98780 +/-146m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durand, Michigan | 1896 | sanborn03991_001 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2477.2"},{"label":"split_canvas_w","value":"3217.6"},{"label":"split_canvas_h","value":"1902.4"}],"created":"2026-10-20T01:23:25Z","modified":"2026-10-20T01:23:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.7,630.5 51.8,728.9 25.9,666.4 27.5,880.7 380.8,895.6 381.1,897.1 385.1,897.1 385.4,913.6 425.3,1069.8 702.7,1069.2 697.0,708.9 296.7,630.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,619.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.98717501366978,42.91543768653051]}},{"type":"Feature","properties":{"resourceCoords":[804.4,619.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.98503804812488,42.91547323952336]}},{"type":"Feature","properties":{"resourceCoords":[804.4,1094.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.98500929639172,42.914547025260845]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1094.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.98714626193663,42.914511472267996]}},{"type":"Feature","properties":{"resourceCoords":[119.0,871.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.9868435,42.9149526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durand, Michigan | 1896 | sanborn03991_001 p1 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3589.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"4118.8"}],"created":"2026-10-20T01:23:25Z","modified":"2026-10-20T01:23:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"509.9,1848.3 500.8,1919.5 1467.9,1926.0 1509.6,1926.0 1589.9,1857.0 1578.7,1234.5 1489.5,1096.2 422.9,1123.5 352.4,1085.8 313.9,927.4 206.9,917.3 48.5,955.8 108.2,1887.1 509.9,1848.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1378.0,1356.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.9842927,42.9062477]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1356.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.9876035,42.9061799]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durand, Michigan | 1896 | sanborn03991_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:23:25Z","modified":"2026-10-20T01:23:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.7,633.0 1587.2,1189.6 1485.3,1189.0 1557.3,1858.0 106.8,1847.3 46.9,1302.5 129.1,728.8 62.6,641.3 29.9,273.6 129.5,95.0 284.4,95.0 435.8,17.3 943.0,12.0 1498.5,30.0 1573.3,89.7 1589.8,34.1 1603.5,32.0 1591.7,633.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1143.0,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.98588026887684,42.91305096795098]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.98457459774644,42.9108730174392]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Durand, Michigan | 1896 | sanborn03991_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:23:25Z","modified":"2026-10-20T01:23:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.1,1850.9 200.3,1863.1 117.3,1194.5 219.2,1193.4 214.7,636.1 216.6,34.3 309.2,18.5 1506.8,24.7 1590.1,69.3 1577.1,1259.7 1627.0,1470.9 1627.0,1474.5 1553.1,1850.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039911896:03991_1896-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1580.0,585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.98106939619778,42.91209388809474]}},{"type":"Feature","properties":{"resourceCoords":[674.0,35.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.98347897684994,42.91309715869811]}}]}}]}