{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03940_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Caledonia, Michigan | 1902 | 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":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 42.78535,-85.51215 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0001__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 | 1902 | sanborn03940_002 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.93"},{"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":"2026-10-18T16:18:33Z","modified":"2026-10-18T16:18:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.6,400.1 148.6,495.5 152.0,779.0 147.0,1188.3 155.5,1279.0 156.1,1732.6 157.2,1926.0 177.8,1883.0 946.3,1777.5 1496.5,1809.6 1603.8,791.9 1511.2,135.2 1214.9,55.6 523.1,35.9 425.3,93.7 429.6,272.4 426.0,272.8 426.0,273.7 417.8,273.7 191.0,297.9 137.6,400.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[657.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.5135005,42.7901894]}},{"type":"Feature","properties":{"resourceCoords":[657.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.513457,42.788386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Caledonia, Michigan | 1902 | sanborn03940_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T16:18:33Z","modified":"2026-10-18T16:18:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1542.4,47.4 1577.3,59.0 1596.5,455.3 1550.7,1884.5 848.0,1833.3 435.8,1887.9 91.8,1859.0 37.1,1281.3 128.1,1170.1 139.0,911.6 118.7,709.4 61.6,699.8 43.7,612.8 110.6,220.1 65.5,95.9 117.0,69.3 45.7,29.8 138.0,21.5 411.7,24.9 806.7,39.4 894.4,33.3 1332.3,43.4 1542.4,47.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039401902:03940_1902-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[354.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.51477547094325,42.790202801889656]}},{"type":"Feature","properties":{"resourceCoords":[1315.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.51467189305323,42.78840021303538]}}]}}]}