{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07595_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Columbia, Pennsylvania | 1899 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"32"},{"label":"placed","value":"25"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 16, georef-snap 8, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.02546,-76.49387 +/-233m); p10__1 (tier 1, 40.03294,-76.49438 +/-100m); p16__1 (tier 1, 40.03447,-76.50626 +/-100m); p3__2 (tier 1, 40.03629,-76.49480 +/-117m); p6__2 (tier 1, 40.03222,-76.49058 +/-100m); p8__2 (tier 2, 40.03572,-76.49403 +/-100m); p8__4 (tier 1, 40.02534,-76.49115 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p10 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"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":"3912.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1156.5,873.5 1613.0,753.4 1613.0,-0.0 186.9,-0.0 173.5,968.1 576.4,971.0 719.5,871.6 759.4,972.2 764.6,972.2 852.9,790.1 918.3,772.9 1156.5,873.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[171.0,376.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.494269,40.033821]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4933014,40.0319878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.0,1347.9 44.3,734.6 161.8,49.3 377.1,106.0 1148.0,172.1 1211.3,221.3 1380.3,4.8 1613.0,222.4 1613.0,263.8 1268.8,625.9 1613.0,947.8 1613.0,1913.0 24.6,1913.0 38.6,1347.8 37.0,1347.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50072975783567,40.030259644771554]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49737907466206,40.028587973193325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49995006899083,40.02552358055747]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50330075216444,40.0271952521357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"952.8,1735.1 38.5,1752.1 32.7,161.1 1340.7,151.9 1340.9,111.3 1613.0,156.9 1337.0,944.9 1418.3,1636.0 952.8,1735.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50084223634607,40.03312049608317]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49824331814348,40.030787968806685]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50183084693035,40.02841120977645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50442976513294,40.03074373705294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"354.5,1818.3 381.3,1913.0 -0.0,1913.0 -0.0,274.4 240.8,269.6 359.1,174.0 338.4,0.0 559.7,0.0 597.1,149.3 899.9,88.9 1412.0,95.0 1419.4,1027.0 1515.3,1501.8 354.5,1818.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1412.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.502997,40.029949]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.504066,40.030888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"715.2,1652.3 495.9,1648.0 505.0,1742.6 514.0,1820.7 397.9,1913.0 -0.0,1913.0 -0.0,-0.0 879.1,0.0 799.1,94.2 1613.0,117.3 1613.0,1076.8 1570.7,1075.2 1558.8,1763.4 1051.2,1747.2 750.4,1801.0 715.2,1652.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5097931446351,40.0313907238468]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50685885269117,40.0334301712239]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50372207750128,40.03074672042951]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50665636944521,40.02870727305241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"791.3,1751.1 792.6,1709.1 -0.0,1714.6 -0.0,1577.4 101.2,1578.9 121.5,604.2 -0.0,606.6 -0.0,263.8 125.4,265.8 126.4,150.3 1495.5,163.7 1474.6,1758.1 791.3,1751.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50324071496314,40.0352061559875]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50059742556208,40.03291281342476]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50412479535721,40.03049555067593]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50676808475828,40.032788893238674]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p16 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"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":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1262.7,1078.0 1418.7,1080.0 1420.5,946.3 1519.2,949.7 1551.3,-0.0 115.3,-0.0 92.3,904.1 178.5,906.8 168.0,1236.9 697.5,1238.4 698.7,1913.0 1144.1,1913.0 1144.8,1786.8 1235.6,1865.4 1262.7,1078.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.0,925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5072489,40.0341906]}},{"type":"Feature","properties":{"resourceCoords":[108.0,286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5071689,40.0359598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1320.9 1613.0,1906.7 -0.0,1913.0 -0.0,-0.0 1613.0,-0.0 1613.0,380.4 1517.7,383.4 1523.6,1320.9 1613.0,1320.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5082744,40.036942]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5071689,40.0359598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p18 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3749.6"},{"label":"split_canvas_h","value":"3916.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,979.2 648.9,977.0 936.3,976.0 936.5,830.9 937.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[323.1,443.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.491953,40.035255]}},{"type":"Feature","properties":{"resourceCoords":[664.3,443.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4918734,40.0346145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p18 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3746.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2706.0"},{"label":"split_canvas_h","value":"3323.6"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 937.4,0.0 936.5,830.9 1613.0,830.6 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[936.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49608399743077,40.04173117361187]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49499558966919,40.0407709335783]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,830.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49653562983191,40.039748431730175]}},{"type":"Feature","properties":{"resourceCoords":[936.5,830.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4976240375935,40.040708671763745]}},{"type":"Feature","properties":{"resourceCoords":[1387.2,639.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.496545,40.040304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p18 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3322.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4329.6"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.8,1490.2 1613.0,1490.9 1613.0,830.6 936.5,830.9 936.3,976.0 648.9,977.0 650.8,1354.6 499.0,1439.8 225.2,1470.3 8.3,1489.0 19.1,1757.4 1576.1,1759.5 1574.8,1490.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[256.0,1098.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4959024,40.0397383]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1098.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4937024,40.03778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p18 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3908.0"},{"label":"split_canvas_w","value":"2603.2"},{"label":"split_canvas_h","value":"2050.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1427.7 40.5,1486.2 71.3,1483.5 72.2,1425.7 522.3,1426.8 650.8,1354.6 648.9,977.0 32.3,979.1 35.2,1376.4 -0.0,1376.7 -0.0,1427.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0018__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,977.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49118618192267,40.03426888314277]}},{"type":"Feature","properties":{"resourceCoords":[650.8,977.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49090701860746,40.031833460694585]}},{"type":"Feature","properties":{"resourceCoords":[650.8,1489.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49341457416989,40.03166509452169]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1489.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4936937374851,40.03410051696988]}},{"type":"Feature","properties":{"resourceCoords":[251.9,1104.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.491704,40.033286]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,188.2 -0.0,177.8 1.9,1759.5 985.4,1765.8 990.4,931.3 1013.8,931.3 1613.0,931.3 1613.0,188.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[943.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4975343,40.0369307]}},{"type":"Feature","properties":{"resourceCoords":[943.0,183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4960701,40.037905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3938.0"},{"label":"split_canvas_y","value":"3725.2"},{"label":"split_canvas_w","value":"2514.0"},{"label":"split_canvas_h","value":"3926.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"990.1,972.6 985.4,1766.6 1577.4,1766.3 1578.0,971.2 990.1,972.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[984.5,931.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49731359542696,40.03685304352732]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,931.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4963117558718,40.035958444503095]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49812316460834,40.03475248750648]}},{"type":"Feature","properties":{"resourceCoords":[984.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4991250041635,40.03564708653071]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p3 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"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":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1002.6,1856.8 1067.0,1764.8 1358.5,1758.8 1165.0,1624.7 1613.0,984.5 1613.0,870.5 1613.0,618.2 944.1,163.9 1055.4,-0.0 356.0,0.0 190.0,0.0 25.6,-0.0 38.0,1080.2 51.0,1080.0 69.8,1879.9 1002.6,1856.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1125.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4936395,40.0351411]}},{"type":"Feature","properties":{"resourceCoords":[697.0,712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.494752,40.03547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"236.3,1798.2 237.2,1913.0 -0.0,1913.0 -0.0,101.7 1563.8,98.5 1571.9,1790.0 236.3,1798.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5003112590707,40.03742383655821]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49770000421807,40.03508463160551]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5012980298245,40.03269674065147]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50390928467712,40.03503594560417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1797.1 -0.0,92.8 951.4,89.1 1017.1,-0.0 1303.5,-0.0 1428.2,90.8 1613.0,92.8 1613.0,188.8 1454.4,274.1 1613.0,619.5 1613.0,796.6 1512.9,1037.1 1347.4,1031.0 1338.8,1795.4 -0.0,1797.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49779248558801,40.035148719833295]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49518636105263,40.0328366503819]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49874253075939,40.03045337203284]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.50134865529476,40.03276544148423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4018.0"},{"label":"split_canvas_h","value":"4033.6"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"904.9,32.1 64.5,65.2 153.2,272.1 579.8,927.4 580.0,1007.0 857.4,1007.9 904.9,32.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5006616107683,40.030089434446836]}},{"type":"Feature","properties":{"resourceCoords":[1004.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49833646068765,40.03071076668635]}},{"type":"Feature","properties":{"resourceCoords":[1004.5,1008.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49752831978375,40.02891240628645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1008.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4998534698644,40.02829107404694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p6 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3978.8"},{"label":"split_canvas_y","value":"2596.0"},{"label":"split_canvas_w","value":"2473.2"},{"label":"split_canvas_h","value":"1446.0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1038.4,788.6 1037.2,1008.5 1613.0,1010.5 1613.0,650.1 1569.4,650.0 1427.0,765.4 1394.3,749.5 1325.5,748.6 1327.0,768.2 1038.4,788.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[994.7,649.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49725670440208,40.02842510060019]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,649.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4965261648523,40.02616873930107]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1010.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4982550434646,40.0258408556027]}},{"type":"Feature","properties":{"resourceCoords":[994.7,1010.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49898558301437,40.02809721690182]}},{"type":"Feature","properties":{"resourceCoords":[1038.7,744.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.497662,40.028178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p6 [4]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4019.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3632.4"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"698.0,1439.2 646.2,1289.4 -0.0,1536.5 52.9,1807.5 1466.0,1812.1 1471.7,1572.9 1613.0,1402.6 1613.0,1338.6 1356.0,1118.8 1103.9,1381.6 952.3,1441.5 698.0,1439.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0006__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[383.0,1812.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4977191,40.0307832]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,1812.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.495083,40.031502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.9,1913.0 -0.0,1913.0 -0.0,1346.1 83.7,1352.8 143.9,59.9 1613.0,29.4 1613.0,1538.4 1271.3,1767.3 1282.9,1809.4 71.6,1529.8 38.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49891369430303,40.030596348955235]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49509517692725,40.03155832668355]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49361564367734,40.028066149550725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49743416105312,40.02710417182241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p8 [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":"3900.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"309.0,1913.0 578.8,1913.0 967.0,1913.0 969.5,1290.7 973.0,501.5 975.0,0.0 -0.0,0.0 -0.0,1913.0 309.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.485869,40.027656]}},{"type":"Feature","properties":{"resourceCoords":[222.0,1436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.485699,40.026358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p8 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3878.0"},{"label":"split_canvas_y","value":"2006.0"},{"label":"split_canvas_w","value":"2574.0"},{"label":"split_canvas_h","value":"3156.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1290.7 1613.0,501.7 973.0,501.5 969.5,1290.7 1613.0,1290.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[969.5,501.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49386088215456,40.02582077284158]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,501.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49228698989515,40.02592689694137]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1290.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49211689349329,40.02444923074003]}},{"type":"Feature","properties":{"resourceCoords":[969.5,1290.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4936907857527,40.02434310664024]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,529.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4924667,40.025862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p9 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3651.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4000.8"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1613.0,1913.0 1613.0,912.8 20.1,914.3 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,1504.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4934759,40.0270978]}},{"type":"Feature","properties":{"resourceCoords":[1380.0,1504.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.490951,40.027279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Columbia, Pennsylvania | 1899 | sanborn07595_003 p9 [2]","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":"3657.2"}],"created":"2026-09-23T01:07:15Z","modified":"2026-09-23T01:07:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"498.9,888.2 1322.6,913.1 1363.4,913.0 1359.9,0.0 170.8,0.0 243.7,503.4 231.4,593.4 486.5,808.1 498.9,888.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075951899:07595_1899-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,529.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4951667,40.0269692]}},{"type":"Feature","properties":{"resourceCoords":[1399.0,529.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.494312,40.027028]}}]}}]}