{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02670_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Junction, Iowa | 1901 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.03176,-94.23386 +/-499m); p1__2 (tier 4, 42.03176,-94.23386 +/-499m); p1__4 (tier 4, 42.03176,-94.23386 +/-499m); p3__2 (tier 1, 42.03288,-94.23225 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Junction, Iowa | 1901 | sanborn02670_002 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3487.6"},{"label":"split_canvas_y","value":"2722.8"},{"label":"split_canvas_w","value":"2964.4"},{"label":"split_canvas_h","value":"4929.2"}],"created":"2026-10-18T19:43:15Z","modified":"2026-10-18T19:43:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"965.9,1477.0 912.5,1556.9 944.9,1749.2 1068.8,1803.7 1533.2,1784.8 1612.0,1228.8 1612.0,1227.2 1542.5,738.5 1212.1,694.1 938.4,746.8 911.2,967.3 980.8,1145.8 965.9,1477.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1474.2,1317.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.2281261,42.0340581]}},{"type":"Feature","properties":{"resourceCoords":[969.8,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.229341,42.0330966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Junction, Iowa | 1901 | sanborn02670_002 p1 [5]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5422.4"},{"label":"split_canvas_w","value":"3520.0"},{"label":"split_canvas_h","value":"2229.6"}],"created":"2026-10-18T19:43:15Z","modified":"2026-10-18T19:43:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.1,1392.2 48.0,1907.5 742.0,1912.0 759.0,1912.0 808.3,1884.9 775.6,1737.3 838.7,1738.3 862.2,1584.7 856.8,1486.5 703.0,1463.0 655.3,1378.2 466.1,1368.2 373.9,1436.8 53.1,1392.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,1545.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.2319844,42.0307621]}},{"type":"Feature","properties":{"resourceCoords":[51.0,1545.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.2333083,42.0307462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Junction, Iowa | 1901 | sanborn02670_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:43:15Z","modified":"2026-10-18T19:43:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1545.8,661.9 1537.3,662.0 1553.2,1197.3 1555.7,1466.3 1562.6,1820.6 1535.9,1821.1 1492.4,1872.2 960.7,1815.6 283.9,1890.5 58.0,1825.8 84.8,1119.5 31.6,377.0 132.7,121.9 554.7,47.8 678.7,120.2 1166.5,125.9 1312.0,67.2 1333.9,89.0 1572.2,107.6 1545.8,661.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[357.0,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.2402975161588,42.03075287411029]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23738812574827,42.02975291661227]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Junction, Iowa | 1901 | sanborn02670_002 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T19:43:15Z","modified":"2026-10-18T19:43:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.2,1781.5 470.2,1774.3 575.7,1622.2 575.7,1618.6 578.3,1618.5 582.2,1612.9 897.7,1605.5 899.7,1612.2 904.0,1612.1 904.0,1626.7 968.2,1843.8 1515.1,1871.0 1563.8,1541.5 1574.9,1541.3 1571.0,1025.3 1549.0,1022.6 1540.8,167.2 1330.4,104.4 1029.0,210.0 790.5,119.2 734.3,35.1 264.5,35.7 75.3,134.2 45.4,131.8 18.9,665.5 10.8,665.6 25.2,1181.3 27.1,1440.3 33.2,1781.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154gm:g026701901:02670_1901-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1041.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23468255354932,42.03073348692023]}},{"type":"Feature","properties":{"resourceCoords":[542.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.23597503847652,42.03073480429875]}}]}}]}