{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01779_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chandlerville, Illinois | 1900 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"5"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 40.04716,-90.14779 +/-215m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chandlerville, Illinois | 1900 | sanborn01779_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2961.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4690.8"}],"created":"2026-09-21T16:11:11Z","modified":"2026-09-21T16:11:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1654.2 1613.0,741.0 883.4,740.3 877.8,1187.5 0.0,1183.9 -0.0,1913.0 161.6,1913.0 171.6,1806.2 1442.4,1814.4 1613.0,1654.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1026.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.148417,40.050513]}},{"type":"Feature","properties":{"resourceCoords":[1026.0,833.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1472368,40.0520627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chandlerville, Illinois | 1900 | sanborn01779_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:11:11Z","modified":"2026-09-21T16:11:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,106.1 1367.1,104.8 1367.0,263.0 1471.3,273.4 1462.8,1517.8 1613.0,1679.2 1613.0,1913.0 262.6,1913.0 260.2,1826.7 148.5,1825.1 139.9,38.7 195.3,45.6 195.2,0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.15256717792553,40.04916760478481]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.15058844711484,40.05179889070975]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.14654029779882,40.049989803758876]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.14851902860951,40.04735851783394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chandlerville, Illinois | 1900 | sanborn01779_002 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3668.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T16:11:11Z","modified":"2026-09-21T16:11:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.2,55.1 264.9,-0.0 -0.0,-0.0 -0.0,1913.0 856.4,1913.0 862.6,65.9 258.2,55.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[858.2,479.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1515579,40.0480972]}},{"type":"Feature","properties":{"resourceCoords":[858.2,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1528373,40.0464059]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chandlerville, Illinois | 1900 | sanborn01779_002 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3617.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2834.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T16:11:11Z","modified":"2026-09-21T16:11:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.1,78.7 1034.5,67.9 1035.6,0.0 904.4,0.0 917.2,1913.0 1022.0,1913.0 1193.0,1913.0 1613.0,1913.0 1613.0,1878.1 1363.9,1880.2 1358.7,1268.7 1534.0,1263.0 1502.1,78.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1534.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.150173,40.0454784]}},{"type":"Feature","properties":{"resourceCoords":[1086.3,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1532715,40.0458375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chandlerville, Illinois | 1900 | sanborn01779_002 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T16:11:11Z","modified":"2026-09-21T16:11:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1337.1 1613.0,1913.0 0.0,1913.0 0.0,1305.3 172.9,1306.2 151.4,138.9 1517.1,175.9 1503.0,1333.0 1613.0,1337.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104cm:g017791900:01779_1900-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[761.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1519966,40.0475238]}},{"type":"Feature","properties":{"resourceCoords":[1503.0,1333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1485229,40.0476839]}}]}}]}