{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07372_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gresham, Oregon | 1941 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"22"},{"label":"placed","value":"12"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 7, snap:0 3, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 45.49185,-122.42383 +/-171m); p12__1 (tier 1, 45.49559,-122.42056 +/-111m); p12__2 (tier 1, 45.49527,-122.42394 +/-130m); p13__2 (tier 1, 45.49826,-122.41777 +/-123m); p1__1 (tier 1, 45.50543,-122.43540 +/-184m); p4__1 (tier 2, 45.50086,-122.43219 +/-243m); p5__1 (tier 1, 45.50177,-122.42727 +/-258m); p5__2 (tier 1, 45.50171,-122.42746 +/-100m); p7__1 (tier 1, 45.49790,-122.43637 +/-254m); p7__2 (tier 1, 45.49781,-122.43236 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.52"},{"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":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.5,22.3 117.8,492.5 676.6,526.0 690.5,526.0 751.2,526.0 751.2,530.5 753.0,530.6 789.4,1053.5 975.0,1360.9 995.5,1506.8 1001.2,1516.1 1002.3,1554.9 1041.4,1833.5 1515.6,1891.0 1567.7,1826.4 1592.3,607.8 1612.0,607.4 1612.0,545.9 1567.8,36.3 1218.5,39.9 846.5,43.8 586.1,44.1 98.5,22.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42892675934984,45.49479809528346]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42467865544839,45.49484069191874]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42460709183305,45.491284056424135]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4288551957345,45.49124145978885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.0,1912.0 141.2,1912.0 427.6,1855.8 734.9,1902.9 1541.5,1851.3 1529.9,1526.5 1590.2,1523.8 1609.8,1031.1 1612.0,966.8 1608.2,768.2 1602.4,392.4 1596.8,20.6 1458.3,20.9 1089.4,7.6 1089.5,16.8 84.5,19.6 115.0,1142.6 130.3,1142.5 99.2,1691.1 13.1,1700.0 1.0,1699.9 1.0,1912.0 57.0,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42473144997983,45.497712512063956]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42469244431535,45.494743286264665]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42968107599884,45.494710631190785]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42972008166332,45.497679856990075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p12 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3314.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4337.2"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.1,1863.8 74.5,1912.0 1270.3,1912.0 1574.2,1908.4 1579.1,900.2 1195.1,838.4 471.1,837.9 471.1,839.1 231.0,837.7 77.0,837.6 57.1,1207.7 55.0,1346.7 35.8,1346.6 74.1,1863.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,828.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42492546222398,45.49571952018154]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,828.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42073990586788,45.49579895980922]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42066420821095,45.49381149842824]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.42484976456706,45.49373205880055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.5,1872.3 1591.8,1861.4 1591.7,976.0 925.8,972.5 925.2,965.5 918.0,965.5 918.0,886.2 845.1,81.2 785.6,23.6 171.4,48.5 26.3,124.0 55.5,1872.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[629.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4210269445041,45.500295075461345]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.41860511691195,45.498024315556535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p2","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.4,1834.7 55.2,52.3 213.6,24.9 536.3,106.6 1018.6,10.0 1528.9,14.2 1591.9,215.9 1592.5,1013.8 1601.2,1040.7 1545.0,1634.3 1483.2,1607.8 1483.7,1889.7 1477.5,1856.8 984.0,1802.3 983.8,1833.7 386.8,1830.5 296.3,1816.5 296.9,1886.8 33.4,1834.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[615.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4319677,45.50298]}},{"type":"Feature","properties":{"resourceCoords":[479.0,1015.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4323499,45.5045094]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3680.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3972.0"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.0,960.3 1338.1,941.1 1108.9,1007.7 1067.2,957.0 868.0,945.9 738.6,1007.4 640.0,948.4 532.0,1010.3 104.9,1001.8 24.6,1099.8 1.0,1085.0 1.0,1836.3 31.1,1840.7 29.6,1911.8 1589.3,1907.6 1587.0,960.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[640.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42368206303149,45.50444629037962]}},{"type":"Feature","properties":{"resourceCoords":[1591.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42111191843009,45.50448249711839]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3680.0"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,70.1 1531.7,20.8 1421.8,34.4 1253.7,18.1 214.0,95.6 133.6,87.5 121.1,48.9 63.0,653.0 1.0,626.4 1.0,913.0 1566.8,906.5 1596.8,840.9 1612.0,843.0 1612.0,70.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42800395126208,45.5036339032381]}},{"type":"Feature","properties":{"resourceCoords":[626.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42799411143527,45.50293331547101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p4 [2]","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":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.1,1132.8 1588.6,1132.8 1593.3,529.7 1579.8,529.9 1576.3,19.2 1570.2,19.3 1570.1,24.1 169.9,24.2 169.8,17.9 136.1,24.7 86.8,534.1 119.1,533.9 124.2,1149.3 111.0,1242.7 135.1,1242.2 173.7,1241.4 183.9,1241.2 428.3,1230.4 429.1,1236.0 435.9,1235.8 437.4,1293.6 520.6,1867.0 1595.0,1883.5 1612.0,1713.0 1612.0,1534.2 1612.0,1520.4 1604.1,1132.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,918.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.43197784764622,45.502993734287585]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42968357928584,45.500996678272614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1727.6 1.0,1731.7 31.9,1746.9 71.9,1899.2 970.5,1895.7 1260.9,1826.2 1593.3,1870.0 1591.4,589.2 1513.8,539.4 792.0,543.6 787.1,538.5 787.1,535.8 786.0,281.8 701.4,210.7 694.7,118.6 72.3,45.4 20.6,1238.3 1.0,1278.7 1.0,1494.4 1.9,1702.6 8.1,1702.6 1.0,1727.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[599.0,1707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4431627801948,45.497075428091904]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,1707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.44135131098832,45.49708058146855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.30"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3148.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3303.6"},{"label":"split_canvas_h","value":"2154.0"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"862.8,537.5 1082.2,537.5 1577.0,536.6 1604.4,480.5 1598.0,480.6 1589.2,51.2 1563.5,18.1 1208.4,15.2 847.0,91.5 793.5,466.7 801.5,531.5 862.8,537.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[787.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.44692519332159,45.49799732769151]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.44473182760447,45.49797883068487]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,538.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4447488955412,45.49697042348912]}},{"type":"Feature","properties":{"resourceCoords":[787.1,538.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.44694226125831,45.49698892049575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p8","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1460.4,13.2 1357.3,13.7 1281.6,1.0 1275.3,1.0 1267.6,15.4 1263.5,203.9 1215.7,200.5 1001.7,202.1 37.7,204.9 39.5,706.4 52.8,706.3 46.2,1298.6 61.4,1298.5 68.0,1680.0 67.3,1868.4 1381.1,1880.1 1417.4,1814.5 1555.6,1807.0 1591.6,1646.8 1566.7,228.2 1603.0,220.7 1462.8,222.3 1461.3,85.5 1460.4,13.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,702.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4309826,45.4989516]}},{"type":"Feature","properties":{"resourceCoords":[407.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4296631,45.4996375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gresham, Oregon | 1941 | sanborn07372_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:46:49Z","modified":"2026-10-19T23:46:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4.6,1858.7 21.1,113.8 72.4,34.2 1509.0,24.8 1543.6,1129.4 1558.7,1129.2 1530.1,1669.0 1444.8,1678.1 1329.0,1677.8 1247.7,1663.6 1239.5,1678.9 1234.0,1866.9 1186.2,1863.2 972.7,1863.1 10.7,1858.8 4.6,1858.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294gm:g4294gm_g073721941:07372_1941-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[759.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42967198852116,45.49893181327347]}},{"type":"Feature","properties":{"resourceCoords":[768.0,20.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.42477845058832,45.49893338600318]}}]}}]}