{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01791_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chillicothe, Illinois | 1899 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"9"},{"label":"placed","value":"6"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.91991,-89.48761 +/-1179m); p4__3 (tier 1, 40.91999,-89.49186 +/-100m); p5__2 (tier 1, 40.91781,-89.48619 +/-190m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_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":"Chillicothe, Illinois | 1899 | sanborn01791_002 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1613.0,1913.0 1613.0,956.7 1553.2,956.7 814.2,948.0 820.7,0.0 94.9,0.0 87.8,1534.8 -0.0,1534.5 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4843377,40.9157771]}},{"type":"Feature","properties":{"resourceCoords":[92.0,321.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4838875,40.9168388]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1899 | sanborn01791_002 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1335.1,0.0 1613.0,0.0 1613.0,355.0 1567.2,355.2 1566.0,1833.3 1481.4,1833.5 1481.8,1913.0 -0.0,1913.0 -0.0,90.2 1334.8,88.7 1335.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[951.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4857999,40.916148]}},{"type":"Feature","properties":{"resourceCoords":[951.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4849025,40.9182324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1899 | sanborn01791_002 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1146.9,0.0 1146.8,61.1 1447.1,61.5 1448.5,1908.1 -0.0,1913.0 -0.0,-0.0 1146.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4903613,40.9161025]}},{"type":"Feature","properties":{"resourceCoords":[663.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4890031,40.9192492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1899 | sanborn01791_002 p4 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2621.2"},{"label":"split_canvas_h","value":"2636.0"}],"created":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"539.7,630.2 630.3,633.0 644.6,-0.0 -0.0,-0.0 0.0,656.6 539.1,658.6 539.7,630.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[630.3,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4871926,40.9199437]}},{"type":"Feature","properties":{"resourceCoords":[97.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4881065,40.9213137]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1899 | sanborn01791_002 p4 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 655.3,0.0 650.0,659.0 94.0,657.0 94.0,664.0 94.1,1234.3 -0.0,1233.6 -0.0,1801.6 750.4,1798.8 750.4,1760.6 750.6,1340.1 1135.7,1348.0 1135.4,1765.1 1135.4,1797.3 1613.0,1795.5 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1228.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4840167,40.9203014]}},{"type":"Feature","properties":{"resourceCoords":[94.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4867411,40.9209818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chillicothe, Illinois | 1899 | sanborn01791_002 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3602.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4049.6"}],"created":"2026-09-22T02:12:01Z","modified":"2026-09-22T02:12:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1505.2 1613.0,907.2 0.0,900.6 -0.0,1913.0 1613.0,1913.0 1613.0,1505.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017911899:01791_1899-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[956.0,1655.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4941937,40.9286333]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,1655.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.4928118,40.9288006]}}]}}]}