{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01752_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Buckley, Illinois | 1898 | 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, 40.59796,-88.03801 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017521898:01752_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buckley, Illinois | 1898 | sanborn01752_001 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.73"},{"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":"2026-10-18T01:47:33Z","modified":"2026-10-18T01:47:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017521898:01752_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017521898:01752_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"254.9,1887.0 1544.0,1851.9 1576.8,1428.3 1552.0,75.9 1042.8,9.8 590.6,53.5 512.0,619.2 316.9,620.1 322.9,663.3 88.5,706.6 48.8,771.6 73.0,1665.8 123.0,1657.7 143.2,1794.2 254.9,1887.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017521898:01752_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1536.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.0366007,40.5967661]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,22.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.035586,40.599229]}}]}}]}