{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03940_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Caledonia, Michigan | 1896 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 42.78932,-85.51568 +/-100m); p1__3 (tier 4, 42.78932,-85.51568 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401896:03940_1896-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caledonia, Michigan | 1896 | sanborn03940_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.68"},{"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":"2026-10-18T07:10:00Z","modified":"2026-10-18T07:10:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401896:03940_1896-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401896:03940_1896-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1281.8,1563.2 1288.0,1561.1 1288.0,1556.6 1300.5,1556.8 1563.9,1465.9 1611.5,604.5 1534.3,64.8 1415.3,114.0 1335.4,60.7 118.8,79.5 73.0,1213.6 349.8,1310.0 363.0,1310.0 363.0,1314.6 365.7,1315.5 435.3,1862.4 1194.8,1848.8 1281.8,1563.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401896:03940_1896-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1343.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.513457,42.788386]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,581.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.514694,42.788367]}}]}}]}