{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01743_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bradford, Illinois | 1899 | 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":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.17651,-89.65948 +/-145m); p1__3 (tier 4, 41.17651,-89.65948 +/-145m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bradford, Illinois | 1899 | sanborn01743_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"2026-10-18T10:08:15Z","modified":"2026-10-18T10:08:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.3,85.3 67.3,388.2 71.0,445.3 99.1,445.2 127.1,925.6 125.4,925.6 117.6,1553.0 99.4,1553.2 113.0,1869.9 1159.3,1832.7 1155.5,964.5 1192.6,904.5 1544.3,895.4 1589.0,827.8 1540.8,109.5 1338.4,20.6 762.1,23.2 455.6,106.9 178.3,18.3 71.3,85.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[781.0,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.65780704383535,41.176020792334896]}},{"type":"Feature","properties":{"resourceCoords":[781.0,442.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.6577986550963,41.17743924944084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bradford, Illinois | 1899 | sanborn01743_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T10:08:15Z","modified":"2026-10-18T10:08:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"922.1,1887.5 44.9,1836.5 20.5,704.4 72.1,149.5 574.2,28.7 1376.4,27.4 1524.0,78.8 1519.2,382.2 1522.6,439.4 1550.8,439.4 1577.5,920.7 1575.8,920.8 1566.2,1549.2 1548.0,1549.3 1560.7,1866.7 922.1,1887.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017431899:01743_1899-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.66164425153187,41.176537417039015]}},{"type":"Feature","properties":{"resourceCoords":[960.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.66084389871114,41.17742526148231]}}]}}]}