{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02778_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, Iowa | 1918 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.26261,-95.85440 +/-169m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Iowa | 1918 | sanborn02778_002 p1 [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":"2026-10-18T19:21:09Z","modified":"2026-10-18T19:21:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.9,1.0 1096.6,1.0 1085.9,78.2 755.4,38.6 550.6,138.7 366.7,121.6 289.5,43.6 119.2,49.4 46.7,163.8 72.7,512.6 742.6,983.9 793.8,1274.8 932.3,1452.2 971.4,1831.1 1182.8,1886.6 1516.5,1867.2 1564.2,1803.2 1595.7,808.2 1553.2,805.8 1112.9,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1260.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.39758446078795,41.30916852599514]}},{"type":"Feature","properties":{"resourceCoords":[361.0,409.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.39681259916128,41.310844446428945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Iowa | 1918 | sanborn02778_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:21:09Z","modified":"2026-10-18T19:21:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,525.9 1.0,568.6 59.5,567.1 50.1,1860.8 656.8,1880.3 839.4,1857.6 890.1,1747.8 1306.6,1738.8 1305.9,1563.4 1488.5,1533.5 1567.9,1277.3 1578.7,312.6 1468.2,86.5 793.9,31.9 1.0,525.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027781918:02778_1918-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[566.0,802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.39623611265189,41.30811768358159]}},{"type":"Feature","properties":{"resourceCoords":[1292.0,1319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.39445720251014,41.30715804878679]}}]}}]}