{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07425_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"North Powder, Oregon | 1910 | 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":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 45.02884,-117.91693 +/-185m); p1__3 (tier 4, 45.02884,-117.91693 +/-185m); p2__2 (tier 2, 45.02872,-117.91706 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"North Powder, Oregon | 1910 | sanborn07425_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:25:19Z","modified":"2026-10-22T13:25:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"910.1,1713.4 885.8,1594.9 907.5,1419.6 938.5,1399.8 1004.9,1233.7 1015.7,987.7 1525.5,987.0 1601.0,937.0 1511.3,494.1 1561.4,151.6 1467.5,50.8 1270.5,23.8 624.5,36.0 565.6,598.9 53.2,661.1 49.0,1789.1 626.6,1799.0 626.5,1820.4 910.1,1713.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0001__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":[-117.91402431468549,45.031691366716174]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.91137179295656,45.02929812691377]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.91538899497702,45.02707541744234]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.91804151670596,45.02946865724474]}},{"type":"Feature","properties":{"resourceCoords":[41.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9177137,45.0295519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"North Powder, Oregon | 1910 | sanborn07425_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.35"},{"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":"2026-10-22T13:25:19Z","modified":"2026-10-22T13:25:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.3,50.1 1202.7,154.5 1203.0,133.0 625.5,117.8 624.9,168.0 557.1,608.5 554.8,608.8 552.7,608.8 72.0,642.5 34.1,713.0 36.4,1868.8 1489.5,1884.1 1561.8,1575.5 1595.5,604.1 1487.3,50.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294nm:g4294nm_g074251910:07425_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1203.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.9167716,45.0286715]}},{"type":"Feature","properties":{"resourceCoords":[41.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.918705,45.030383]}}]}}]}