{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03982_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Decatur, Michigan | 1884 | 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":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 42.10947,-85.97416 +/-305m); p2__3 (tier 4, 42.10947,-85.97416 +/-305m); p2__4 (tier 4, 42.10947,-85.97416 +/-305m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Decatur, Michigan | 1884 | sanborn03982_001 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"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":"2026-09-22T06:32:28Z","modified":"2026-09-22T06:32:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.8,1221.2 1526.9,0.0 376.5,0.0 374.2,630.3 278.2,630.8 204.6,833.4 0.0,832.3 -0.0,1927.0 1628.0,1927.0 1628.0,1220.0 1533.8,1221.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[439.0,615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.976574,42.107537]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.974347,42.108701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Decatur, Michigan | 1884 | sanborn03982_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1506.0"},{"label":"split_canvas_h","value":"3333.6"}],"created":"2026-09-22T06:32:28Z","modified":"2026-09-22T06:32:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,832.3 204.6,833.4 278.2,630.8 374.2,630.3 376.5,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.97405599600451,42.112945345156504]}},{"type":"Feature","properties":{"resourceCoords":[376.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.97346623980421,42.11238950237981]}},{"type":"Feature","properties":{"resourceCoords":[376.5,833.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.9751257049691,42.111425088074064]}},{"type":"Feature","properties":{"resourceCoords":[0.0,833.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.9757154611694,42.111980930850756]}},{"type":"Feature","properties":{"resourceCoords":[-316.6,182.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.974915,42.113201]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Decatur, Michigan | 1884 | sanborn03982_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5281.2"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-22T06:32:28Z","modified":"2026-09-22T06:32:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.5,0.0 74.3,1197.9 165.8,1197.4 160.7,1884.1 -0.0,1882.9 -0.0,1927.0 164.0,1927.0 390.0,1927.0 685.6,1927.0 685.6,1872.4 695.8,795.5 1258.0,792.8 1264.7,622.6 1320.3,622.2 1318.6,0.0 76.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114dm:g039821884:03982_1884-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[76.0,609.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.974347,42.108701]}},{"type":"Feature","properties":{"resourceCoords":[1253.3,1209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97099,42.109079]}}]}}]}