{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07374_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Halsey, Oregon | 1888 | 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":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__1 (tier 4, 44.38742,-123.10448 +/-100m); p2__2 (tier 4, 44.38742,-123.10448 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073741888:07374_1888-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Halsey, Oregon | 1888 | sanborn07374_001 p1","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.08"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:18:20Z","modified":"2026-10-22T13:18:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073741888:07374_1888-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073741888:07374_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.1,437.9 1542.0,1319.2 1581.0,1849.5 1491.5,1890.8 902.0,1858.0 770.7,1899.0 97.7,1895.7 26.6,1823.8 47.4,49.0 357.3,8.8 1476.9,44.2 1530.2,98.1 1535.0,330.4 1588.1,437.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd429m:g4294m:g4294hm:g4294hm_g073741888:07374_1888-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.106829,44.3854677]}},{"type":"Feature","properties":{"resourceCoords":[60.0,253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-123.1068539,44.3890031]}}]}}]}