{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07347_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dallas, Oregon | 1902 | 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":"8"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 6, georef-snap 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__3 (tier 3, 44.91820,-123.31256 +/-596m); p5__3 (tier 1, 44.92369,-123.32169 +/-100m); p5__4 (tier 1, 44.92399,-123.32183 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p1 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2928.0"},{"label":"split_canvas_w","value":"3850.0"},{"label":"split_canvas_h","value":"4724.0"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,1851.1 105.6,1851.1 566.4,1809.5 588.1,1859.3 930.6,1864.6 879.0,1572.2 955.8,1264.7 884.0,1179.5 926.5,1122.1 902.4,1060.5 837.9,1061.2 564.4,795.5 563.9,755.5 564.0,732.0 39.4,732.0 39.8,771.2 40.4,1836.6 78.2,1851.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.7,1303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.31249517376429,44.918380958896996]}},{"type":"Feature","properties":{"resourceCoords":[574.7,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.31250326770845,44.91736062232852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.3,596.6 1577.5,596.8 1581.3,1103.5 1587.0,1842.3 1483.0,1892.7 31.5,1860.5 53.9,90.0 416.2,29.1 1461.0,20.9 1555.8,85.5 1595.2,85.2 1600.3,596.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[857.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3176612,44.9239162]}},{"type":"Feature","properties":{"resourceCoords":[857.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.320069,44.9239296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.8,1275.4 77.4,1586.5 34.1,1825.4 105.0,1882.1 447.6,1886.5 1532.4,1896.9 1612.0,1861.0 1612.0,54.1 1172.4,51.4 607.9,51.1 41.4,48.5 1.0,48.6 1.0,1291.0 33.8,1275.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3186169,44.921534]}},{"type":"Feature","properties":{"resourceCoords":[557.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3215492,44.9215352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.3,1797.0 1609.7,1801.0 1612.0,1801.0 1612.0,197.8 1393.2,195.4 1117.1,192.6 546.6,192.8 548.1,121.8 82.7,154.7 93.4,184.4 27.5,452.7 25.9,1279.8 1.0,1279.7 1.0,1791.2 18.6,1791.2 586.5,1795.2 1152.3,1797.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3153299,44.9215231]}},{"type":"Feature","properties":{"resourceCoords":[542.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3139198,44.9215251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.6,1609.7 23.6,1648.9 288.7,1912.0 351.9,1912.0 340.4,1881.5 1549.8,1874.1 1586.4,1566.7 1566.2,1426.8 1503.5,1384.5 1541.1,902.4 932.9,906.0 932.5,901.8 928.0,901.8 928.0,849.8 893.4,451.5 271.4,427.1 270.3,421.3 268.0,421.3 268.0,408.9 196.7,28.2 71.2,73.1 101.4,521.6 33.0,520.0 31.3,1069.7 27.7,1335.6 23.6,1609.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[547.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3110894,44.919407]}},{"type":"Feature","properties":{"resourceCoords":[33.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3125065,44.9215185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1072.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2200.0"},{"label":"split_canvas_h","value":"1685.2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"329.9,126.0 292.5,369.7 591.5,393.6 637.4,334.6 681.3,385.4 783.8,342.5 762.4,97.1 719.4,84.2 724.6,54.6 682.5,40.9 415.1,51.1 329.9,126.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[268.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-123.32359361206329,44.9227644649012]}},{"type":"Feature","properties":{"resourceCoords":[818.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-123.32217406070386,44.92291984804242]}},{"type":"Feature","properties":{"resourceCoords":[818.0,421.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-123.32200725587445,44.9221450559152]}},{"type":"Feature","properties":{"resourceCoords":[268.0,421.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-123.32342680723389,44.921989672773975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.5,55.1 1.0,55.0 1.0,1115.0 1.5,1114.7 52.4,1842.1 1492.6,1900.3 1579.9,1864.0 1594.4,1791.2 1514.4,736.5 1569.9,82.2 1095.8,78.7 1045.4,67.9 556.0,65.0 235.3,65.3 176.8,58.0 15.5,55.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,1175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3215606,44.9184191]}},{"type":"Feature","properties":{"resourceCoords":[556.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3186534,44.9184191]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Oregon | 1902 | sanborn07347_004 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:47:48Z","modified":"2026-10-20T03:47:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.9,1836.7 1599.4,1294.6 1520.5,55.9 1094.2,22.4 1089.8,4.1 1075.9,42.5 1.0,61.8 1.0,1845.5 24.8,1845.1 184.7,1844.3 242.8,1850.2 560.7,1842.7 1045.8,1834.4 1095.9,1844.0 1565.9,1836.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294dm:g4294dm_g073471902:07347_1902-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3167224,44.918419]}},{"type":"Feature","properties":{"resourceCoords":[1066.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.3153355,44.9174196]}}]}}]}