{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06529_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cavalier, North-Dakota | 1927 | 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":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 48.79423,-97.62413 +/-230m); p1__3 (tier 4, 48.79423,-97.62413 +/-230m); p2__2 (tier 2, 48.79407,-97.62474 +/-110m); p3__2 (tier 2, 48.79522,-97.62526 +/-269m); p3__3 (tier 2, 48.79522,-97.62526 +/-269m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cavalier, North-Dakota | 1927 | sanborn06529_004 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.57"},{"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":"2026-10-18T13:37:36Z","modified":"2026-10-18T13:37:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1547.7,26.9 747.8,59.5 689.8,156.5 661.0,831.0 544.8,831.0 365.1,842.3 347.4,1190.8 343.5,1197.0 342.1,1197.0 66.0,1201.8 37.1,1268.8 74.3,1861.0 1378.7,1888.9 1556.0,1842.2 1565.5,1854.5 1575.8,1314.8 1555.5,1314.7 1548.1,775.4 1540.0,191.0 1549.6,190.9 1547.7,26.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.625503,48.795994]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,191.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.6223887,48.7949408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cavalier, North-Dakota | 1927 | sanborn06529_004 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.84"},{"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":"2026-10-18T13:37:36Z","modified":"2026-10-18T13:37:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.6,1797.8 1580.6,1710.0 1551.7,1710.0 1545.1,22.4 1018.2,23.9 1018.0,43.8 490.9,27.9 416.4,84.0 424.3,474.7 352.2,612.3 193.0,605.4 207.6,677.7 128.0,670.6 129.9,1770.5 274.9,1900.5 694.6,1870.8 803.0,1798.2 1403.8,1898.5 1570.2,1890.9 1591.6,1797.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1013.0,1140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.6255156,48.792858]}},{"type":"Feature","properties":{"resourceCoords":[1013.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.6255185,48.7917954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cavalier, North-Dakota | 1927 | sanborn06529_004 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.92"},{"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":"2026-10-18T13:37:36Z","modified":"2026-10-18T13:37:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.3,1820.6 294.4,1892.1 548.5,1833.8 599.3,1877.2 1267.3,1862.1 1339.8,1753.1 1346.8,1390.1 1350.5,1390.0 1350.5,1387.0 1430.9,1387.0 1550.0,1382.6 1586.2,1230.1 1585.5,511.3 1512.6,119.3 1414.3,47.3 1394.0,47.3 1323.8,104.9 939.0,170.7 764.7,47.4 604.0,47.4 604.0,38.0 31.2,39.2 36.3,1732.6 65.3,1732.6 76.3,1820.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174cm:g065291927:06529_1927-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.6223902,48.7939004]}},{"type":"Feature","properties":{"resourceCoords":[604.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.6223932,48.7917917]}}]}}]}