{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02027_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mounds, Illinois | 1910 | 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":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.11574,-89.20061 +/-235m); p1__3 (tier 4, 37.11574,-89.20061 +/-235m); p1__4 (tier 4, 37.11574,-89.20061 +/-235m); p1__5 (tier 4, 37.11574,-89.20061 +/-235m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mounds, Illinois | 1910 | sanborn02027_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.68"},{"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":"3934.8"}],"created":"2026-10-18T06:22:01Z","modified":"2026-10-18T06:22:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.2,151.2 55.2,323.2 98.5,866.2 576.4,847.5 853.0,954.5 1035.7,917.9 1102.8,562.0 1125.5,547.3 1165.6,547.3 1185.0,547.3 1314.8,524.2 1348.3,260.4 1293.6,259.6 1291.7,137.9 1291.1,94.8 1030.5,100.2 505.6,105.3 278.0,103.0 278.0,136.7 98.2,151.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[278.0,794.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2020394,37.1131197]}},{"type":"Feature","properties":{"resourceCoords":[278.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2019773,37.1143875]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mounds, Illinois | 1910 | sanborn02027_001 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.91"},{"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":"2026-10-18T06:22:01Z","modified":"2026-10-18T06:22:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1354.8,1909.5 1574.0,1758.2 1579.5,246.6 1503.2,60.0 1046.0,34.4 1032.3,52.7 763.5,89.5 763.5,1.0 733.4,1.0 731.2,28.8 322.0,58.5 323.4,351.9 252.1,524.5 157.0,529.7 120.1,927.9 56.6,975.3 41.5,1504.3 109.9,1816.1 108.4,1822.5 287.2,1805.3 286.6,1771.7 513.3,1770.5 1035.7,1757.3 1295.0,1747.9 1296.3,1790.8 1300.1,1912.0 1354.8,1909.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[763.0,387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2007045,37.1168859]}},{"type":"Feature","properties":{"resourceCoords":[763.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.200878,37.114352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mounds, Illinois | 1910 | sanborn02027_001 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"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":"1286.0"},{"label":"split_canvas_h","value":"1834.0"}],"created":"2026-10-18T06:22:01Z","modified":"2026-10-18T06:22:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"299.9,375.6 313.7,357.4 307.2,356.9 307.5,70.6 26.4,18.6 1.4,321.6 31.5,321.7 31.0,411.3 299.9,375.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020271910:02027_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.20068986366205,37.118191438130296]}},{"type":"Feature","properties":{"resourceCoords":[321.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.19994786636218,37.11816172271355]}},{"type":"Feature","properties":{"resourceCoords":[321.5,458.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.20000105325381,37.11731937157343]}},{"type":"Feature","properties":{"resourceCoords":[0.0,458.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.20074305055368,37.117349086990174]}},{"type":"Feature","properties":{"resourceCoords":[33.0,67.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2006217,37.1180636]}}]}}]}