{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02748_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mondamin, Iowa | 1935 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"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":"p1__2 (tier 4, 41.71091,-96.02057 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027481935:02748_1935-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mondamin, Iowa | 1935 | sanborn02748_002 p1 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"31"},{"label":"confidence","value":"0.64"},{"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":"2026-10-18T02:51:27Z","modified":"2026-10-18T02:51:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027481935:02748_1935-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027481935:02748_1935-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.7,1866.8 622.4,1892.2 1303.7,1858.0 1348.6,1654.1 1348.5,1641.5 1351.3,1641.5 1351.6,1640.5 1608.3,1641.5 1573.7,1633.9 1592.4,1041.0 1553.1,814.5 1574.0,105.1 1367.3,64.7 1360.6,39.1 1334.6,64.1 971.2,35.2 621.2,64.9 338.0,26.7 90.3,32.9 46.1,61.1 21.5,963.4 83.7,1514.2 58.7,1866.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027481935:02748_1935-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[809.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.020548,41.710363]}},{"type":"Feature","properties":{"resourceCoords":[240.0,238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.0234555,41.7135281]}}]}}]}