{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02754_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Moorhead, 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":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027541935:02754_1935-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Moorhead, Iowa | 1935 | sanborn02754_002 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T03:49:32Z","modified":"2026-10-18T03:49:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027541935:02754_1935-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027541935:02754_1935-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.4,1867.5 71.9,1844.5 43.4,1774.8 75.9,1457.7 74.3,1268.0 38.4,1212.8 36.0,742.1 67.5,527.2 122.8,473.1 124.4,312.5 70.3,249.9 67.5,176.9 446.9,180.9 542.4,119.9 673.9,110.3 707.2,66.9 874.9,75.9 1134.4,34.9 1283.6,72.9 1418.7,67.0 1494.9,104.3 1563.6,510.1 1508.1,589.8 1454.8,797.1 1453.4,928.5 1496.0,1049.3 1473.8,1421.3 1516.5,1527.5 1453.6,1610.8 1445.5,1683.7 1390.8,1683.1 1379.4,1726.8 953.0,1682.2 835.7,1728.4 827.5,1815.9 787.3,1822.8 367.7,1818.3 177.4,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154mm:g027541935:02754_1935-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[409.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.852763,41.922477]}},{"type":"Feature","properties":{"resourceCoords":[1242.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.8486239,41.9225093]}}]}}]}