{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02681_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hartley, Iowa | 1901 | 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":"9"},{"label":"placed","value":"1"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.17901,-95.48231 +/-100m); p1__2 (tier 4, 43.17901,-95.48231 +/-100m); p1__3 (tier 1, 43.18378,-95.48145 +/-240m); p1__4 (tier 4, 43.17901,-95.48231 +/-100m); p1__5 (tier 4, 43.17901,-95.48231 +/-100m); p1__6 (tier 4, 43.17901,-95.48231 +/-100m); p1__8 (tier 4, 43.17901,-95.48231 +/-100m); p2 (tier 1, 43.17978,-95.47947 +/-211m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154hm:g026811901:02681_1901-0001__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartley, Iowa | 1901 | sanborn02681_001 p1 [7]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.01"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4730.0"},{"label":"split_canvas_w","value":"2222.0"},{"label":"split_canvas_h","value":"1318.0"}],"created":"2026-10-18T18:35:57Z","modified":"2026-10-18T18:35:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154hm:g026811901:02681_1901-0001__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154hm:g026811901:02681_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.1,1491.6 204.5,1491.3 204.4,1475.0 216.9,1468.7 304.8,1472.0 314.7,1445.6 358.6,1434.0 408.8,1441.3 410.1,1461.3 429.0,1467.5 430.4,1490.1 529.5,1489.5 544.3,1428.0 534.6,1257.5 545.6,1203.5 388.6,1193.0 338.5,1212.1 323.6,1231.0 283.4,1231.2 211.7,1207.8 92.5,1216.0 23.4,1200.0 7.4,1254.0 16.7,1349.3 9.8,1462.3 15.0,1502.4 37.5,1511.0 39.7,1511.0 130.5,1509.3 128.0,1501.8 158.1,1491.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154hm:g026811901:02681_1901-0001__7/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.5,1259.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4785517,43.1799365]}},{"type":"Feature","properties":{"resourceCoords":[532.5,1472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4785687,43.1776493]}}]}}]}