{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01718_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Auburn, Illinois | 1900 | 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":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.59103,-89.74546 +/-150m); p2__2 (tier 2, 39.59076,-89.74538 +/-100m); p2__3 (tier 2, 39.59076,-89.74538 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_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":"Auburn, Illinois | 1900 | sanborn01718_002 p1 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.93"},{"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":"2026-10-18T06:59:17Z","modified":"2026-10-18T06:59:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1507.6,1904.2 1509.3,1141.0 1507.9,928.5 1510.4,561.6 1515.8,289.8 1512.8,86.8 1454.5,19.7 578.8,18.4 394.3,64.7 384.0,288.6 384.0,310.4 383.0,310.4 382.9,311.6 65.1,313.1 66.0,1873.9 1507.6,1904.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1131.0,927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.746406,39.5911066]}},{"type":"Feature","properties":{"resourceCoords":[221.0,927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.7486616,39.5910761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Auburn, Illinois | 1900 | sanborn01718_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.55"},{"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":"2026-10-18T06:59:17Z","modified":"2026-10-18T06:59:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.0,70.6 110.8,270.8 106.8,539.0 106.0,901.0 108.4,1110.6 110.3,1863.6 687.0,1873.0 768.6,1483.9 759.6,1100.6 813.0,1066.7 813.0,1046.0 845.6,1046.0 912.1,1003.8 916.9,997.2 947.2,956.0 967.9,956.0 987.4,956.0 1103.8,882.0 1143.2,527.2 1347.7,334.8 1454.9,127.1 1293.2,33.9 1217.0,31.9 528.9,80.4 195.1,27.4 107.0,70.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104am:g017181900:01718_1900-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.7454718,39.5911163]}},{"type":"Feature","properties":{"resourceCoords":[106.0,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.7455002,39.592824]}}]}}]}