{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07441_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Prairie City, Oregon | 1930 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 44.46313,-118.71022 +/-278m); p1__2 (tier 4, 44.46313,-118.71022 +/-278m); p2__2 (tier 2, 44.46212,-118.71095 +/-100m); p2__3 (tier 2, 44.46212,-118.71095 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Prairie City, Oregon | 1930 | sanborn07441_002 p1 [3]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2138.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5514.0"}],"created":"2026-10-22T13:52:23Z","modified":"2026-10-22T13:52:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1105.0,1008.5 1077.2,1033.0 887.7,989.0 875.7,949.4 820.5,947.0 771.0,947.0 768.4,944.8 759.0,944.4 708.6,893.0 707.8,892.3 707.8,892.2 708.0,856.8 674.8,799.6 403.3,795.5 323.0,570.7 76.2,587.0 46.0,653.6 58.4,1912.0 98.0,1912.0 130.6,1781.6 670.1,1723.8 711.1,1631.7 987.8,1613.5 989.9,1688.9 1491.6,1663.2 1491.0,1589.1 1477.6,1307.9 1469.0,989.9 1105.0,1008.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[291.0,1045.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7128464,44.4633418]}},{"type":"Feature","properties":{"resourceCoords":[1491.0,1589.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7094421,44.462856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Prairie City, Oregon | 1930 | sanborn07441_002 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.80"},{"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":"2026-10-22T13:52:23Z","modified":"2026-10-22T13:52:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.7,1335.8 1500.1,1336.2 1495.7,695.9 1495.5,219.2 986.6,241.5 985.0,165.0 704.4,181.4 662.1,274.4 114.6,329.1 80.7,461.0 40.5,461.2 42.9,1497.0 343.1,1524.2 374.4,1860.8 420.6,1886.8 1039.5,1863.5 1103.8,1564.7 1107.0,1564.6 1107.0,1561.3 1190.5,1561.8 1541.2,1550.1 1563.7,1335.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[985.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7107192,44.4625971]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7087662,44.4608756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Prairie City, Oregon | 1930 | sanborn07441_002 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.11"},{"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":"3606.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:52:23Z","modified":"2026-10-22T13:52:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.6,1815.9 372.9,1800.0 793.8,1685.0 887.2,1892.1 888.1,1778.7 840.6,1691.7 871.0,602.9 819.9,411.6 897.1,85.2 575.9,16.0 102.7,152.0 46.2,448.8 49.9,1800.8 32.6,1815.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.9,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7098561,44.4639447]}},{"type":"Feature","properties":{"resourceCoords":[793.7,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7087764,44.4643649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Prairie City, Oregon | 1930 | sanborn07441_002 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3549.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2902.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:52:23Z","modified":"2026-10-22T13:52:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1013.8,1912.0 1021.7,1850.3 1589.0,1835.0 1611.5,270.6 1526.7,105.3 1522.5,228.0 1427.1,1.2 968.2,114.0 967.3,436.3 972.4,721.5 960.2,1272.6 950.2,1912.0 1013.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294pm:g4294pm_g074411930:07441_1930-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.3,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7098561,44.4639447]}},{"type":"Feature","properties":{"resourceCoords":[1518.0,714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.7080738,44.4631283]}}]}}]}