{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03977_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Corunna, Michigan | 1900 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.97947,-84.11690 +/-260m); p1__2 (tier 4, 42.97947,-84.11690 +/-260m); p1__3 (tier 4, 42.97947,-84.11690 +/-260m); p1__4 (tier 1, 42.98188,-84.11748 +/-123m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Corunna, Michigan | 1900 | sanborn03977_002 p1 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3322.0"},{"label":"split_canvas_y","value":"4472.0"},{"label":"split_canvas_w","value":"3190.0"},{"label":"split_canvas_h","value":"3236.0"}],"created":"2026-10-20T01:11:29Z","modified":"2026-10-20T01:11:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"838.2,1861.0 853.8,1862.6 840.5,1925.8 1607.0,1923.8 1607.0,1892.0 1609.3,1891.9 1626.8,1120.5 859.3,1122.5 840.0,1199.7 830.5,1197.5 830.5,1738.3 838.2,1861.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.3,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.115196,42.9778436]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,1317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1138416,42.9788321]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Corunna, Michigan | 1900 | sanborn03977_002 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:11:29Z","modified":"2026-10-20T01:11:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.0,1408.7 48.7,1222.0 40.0,546.5 146.8,86.3 326.2,21.2 664.0,20.4 1160.1,119.9 1224.6,47.9 1512.0,47.3 1569.6,90.2 1606.0,298.6 1622.7,1297.5 1602.4,1872.4 1552.2,1894.1 1553.8,1908.4 1370.5,1911.2 292.1,1910.3 93.8,1911.8 121.0,1408.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1377.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1165322,42.9809206]}},{"type":"Feature","properties":{"resourceCoords":[293.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1193136,42.9809252]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Corunna, Michigan | 1900 | sanborn03977_002 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:11:29Z","modified":"2026-10-20T01:11:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"267.4,106.0 1351.5,109.0 1535.9,106.5 1585.0,518.3 1627.0,528.8 1627.0,825.0 1621.6,1090.0 1627.0,1217.0 1585.3,1211.8 1549.5,1876.5 97.3,1862.6 31.8,757.4 68.1,107.2 267.4,106.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039771900:03977_1900-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1179177,42.9778453]}},{"type":"Feature","properties":{"resourceCoords":[817.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1179165,42.9798825]}}]}}]}