{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01637_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Midvale, Idaho | 1931 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 44.47150,-116.72995 +/-222m); p2__2 (tier 1, 44.47061,-116.73390 +/-138m); p2__3 (tier 1, 44.47205,-116.73469 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016371931:01637_1931-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Midvale, Idaho | 1931 | sanborn01637_002 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:35:39Z","modified":"2026-10-18T04:35:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016371931:01637_1931-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016371931:01637_1931-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,1873.4 1087.8,1811.5 738.6,1887.0 42.1,1868.4 38.9,25.0 1166.2,16.0 1512.8,48.8 1565.7,104.2 1606.0,1676.6 1588.0,1873.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274mm:g016371931:01637_1931-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.7347046479191,44.47107418391601]}},{"type":"Feature","properties":{"resourceCoords":[546.0,450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.73508896127628,44.4724838454252]}}]}}]}