{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04180_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Saint Clair, Michigan | 1895 | 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":"11"},{"label":"placed","value":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.81047,-82.48767 +/-199m); p1__2 (tier 1, 42.80105,-82.49130 +/-262m); p2__2 (tier 1, 42.82629,-82.49038 +/-131m); p4__1 (tier 4, 42.82314,-82.48843 +/-499m); p5__1 (tier 1, 42.82130,-82.48951 +/-204m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.62"},{"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":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1454.4,1901.2 1571.8,1834.8 1607.2,405.7 1561.4,80.1 841.3,48.4 787.4,906.0 787.4,919.5 785.2,919.5 53.9,956.0 75.8,1879.2 442.4,1858.5 442.5,1868.4 1215.5,1855.8 1215.3,1843.6 1454.4,1901.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4861553,42.8273396]}},{"type":"Feature","properties":{"resourceCoords":[441.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4873331,42.8260609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1392.9 1.0,1424.3 195.1,1424.8 194.4,1876.8 212.8,1834.4 291.2,1827.3 290.4,1789.8 788.0,1794.5 859.6,1790.4 897.0,1768.4 1327.2,1753.3 1327.4,1782.1 1627.0,1583.3 1627.0,1553.0 1594.7,1541.2 1543.8,273.6 1558.2,116.2 1321.1,57.2 1321.2,69.3 553.1,75.8 553.0,66.0 188.6,83.8 189.1,109.1 141.5,137.4 69.2,586.4 133.0,1398.2 1.0,1392.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4877106,42.8239433]}},{"type":"Feature","properties":{"resourceCoords":[187.0,268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.488374,42.8254754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p4 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.42"},{"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":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,200.9 92.3,905.2 398.0,911.6 441.4,911.9 531.0,912.5 531.0,914.5 536.1,914.6 602.5,1236.0 598.2,1882.5 1578.1,1872.8 1593.4,1691.7 1453.8,989.7 1443.8,638.0 1301.9,337.1 1283.8,177.6 1476.0,131.8 1272.5,131.0 1227.7,52.4 1121.6,11.7 848.9,185.4 849.2,161.9 496.8,167.7 465.8,185.1 407.2,187.3 1.0,175.9 1.0,206.5 78.2,200.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[201.0,801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4882214,42.8211858]}},{"type":"Feature","properties":{"resourceCoords":[551.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4868846,42.8227785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.04"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2385.6"},{"label":"split_canvas_w","value":"2915.6"},{"label":"split_canvas_h","value":"5322.4"}],"created":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"679.3,1882.0 688.1,651.6 290.9,623.6 40.8,679.5 87.2,1468.9 42.5,1619.3 90.2,1677.4 45.1,1763.6 189.0,1881.5 679.3,1882.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[290.9,1429.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4901671,42.820628]}},{"type":"Feature","properties":{"resourceCoords":[290.9,625.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.492007,42.8208034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p5 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.38"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2875.6"},{"label":"split_canvas_y","value":"6062.8"},{"label":"split_canvas_w","value":"1436.4"},{"label":"split_canvas_h","value":"1645.2"}],"created":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"723.8,1924.3 1077.0,1919.1 1077.0,1916.8 1062.5,1546.4 737.4,1554.8 723.8,1924.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[718.9,1515.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49175499501361,42.82282793183681]}},{"type":"Feature","properties":{"resourceCoords":[1078.0,1515.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.4916288216978,42.82352588084378]}},{"type":"Feature","properties":{"resourceCoords":[1078.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49053847315598,42.8234200979865]}},{"type":"Feature","properties":{"resourceCoords":[718.9,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49066464647179,42.82272214897953]}},{"type":"Feature","properties":{"resourceCoords":[778.8,1553.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4916334,42.8229345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Clair, Michigan | 1895 | sanborn04180_002 p5 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.32"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4312.0"},{"label":"split_canvas_y","value":"6075.6"},{"label":"split_canvas_w","value":"2200.0"},{"label":"split_canvas_h","value":"1632.4"}],"created":"2026-10-20T02:41:06Z","modified":"2026-10-20T02:41:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1608.0,1925.4 1608.0,1897.1 1608.4,1897.0 1601.0,1709.9 1602.7,1571.8 1536.2,1543.0 1130.0,1541.5 1129.3,1716.5 1101.0,1716.4 1099.7,1749.0 1150.8,1788.3 1082.8,1921.9 1608.0,1925.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041801895:04180_1895-0005__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1457.0,1875.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.489793,42.8227619]}},{"type":"Feature","properties":{"resourceCoords":[1457.0,1541.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4888592,42.8226724]}}]}}]}