{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01913_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Harrisburg, Illinois | 1907 | 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":"15"},{"label":"placed","value":"9"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 8, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 37.73550,-88.53374 +/-128m); p4__2 (tier 1, 37.74077,-88.53539 +/-100m); p8__1 (tier 4, 37.73602,-88.54138 +/-1725m); p8__2 (tier 4, 37.73602,-88.54138 +/-1725m); p8__4 (tier 4, 37.73602,-88.54138 +/-1725m); p8__5 (tier 4, 37.73602,-88.54138 +/-1725m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3483.6"},{"label":"split_canvas_y","value":"5774.4"},{"label":"split_canvas_w","value":"2968.4"},{"label":"split_canvas_h","value":"1877.6"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1443.6 871.0,1450.0 870.9,1853.1 870.9,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1310.4,1476.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.544912,37.739673]}},{"type":"Feature","properties":{"resourceCoords":[1310.4,1815.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.5449285,37.7390175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"36"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1809.6 -0.0,-0.0 1371.7,0.0 1371.7,44.8 1533.0,44.8 1509.5,1815.5 -0.0,1809.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1146.0,1098.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.540303,37.738369]}},{"type":"Feature","properties":{"resourceCoords":[450.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.5419483,37.7370294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,1618.7 98.2,1618.0 93.0,92.0 824.5,90.8 824.3,-0.0 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1497.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.540304,37.734432]}},{"type":"Feature","properties":{"resourceCoords":[93.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.539441,37.737027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"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":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1542.1,429.2 1242.2,426.6 1245.6,-0.0 510.7,0.0 511.6,447.9 0.0,443.4 0.0,1609.3 0.0,1721.7 -0.0,1913.0 885.4,1913.0 885.6,1754.6 1543.3,1754.5 1542.1,429.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,1099.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.537807,37.739099]}},{"type":"Feature","properties":{"resourceCoords":[512.0,1452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.538663,37.741054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.5,84.4 1467.2,75.0 1468.7,1180.7 408.6,1186.2 414.9,1891.3 85.7,1913.0 105.5,84.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.537807,37.739099]}},{"type":"Feature","properties":{"resourceCoords":[98.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.539407,37.7383641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1678.0 1567.4,1677.4 1571.0,1898.1 149.7,1913.0 149.2,1471.7 -0.0,1473.0 -0.0,0.0 1613.0,-0.0 1613.0,1678.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.53173140169163,37.739921341721654]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.53175627416388,37.73692978340222]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.53621130165413,37.736953275794576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.53618642918188,37.73994483411401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1800.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5851.2"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,452.8 1009.5,450.2 798.7,709.9 707.8,822.0 707.8,1332.0 0.0,1318.9 0.0,1337.9 -0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1109.0,551.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.546632,37.737064]}},{"type":"Feature","properties":{"resourceCoords":[806.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.546658,37.734292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p7 [2]","metadata":[{"label":"streets","value":"3"},{"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":"5328.0"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,52.3 138.6,83.6 157.8,897.2 -0.0,899.6 0.0,1318.9 707.8,1332.0 707.8,822.0 798.7,709.9 1009.5,450.2 1613.0,452.8 1613.0,52.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[565.0,74.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.537807,37.737031]}},{"type":"Feature","properties":{"resourceCoords":[565.0,1206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.5378495,37.7351985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Illinois | 1907 | sanborn01913_004 p8 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2141.6"},{"label":"split_canvas_y","value":"1595.2"},{"label":"split_canvas_w","value":"4310.4"},{"label":"split_canvas_h","value":"6056.8"}],"created":"2026-09-22T17:50:22Z","modified":"2026-09-22T17:50:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,406.7 932.7,398.8 932.1,471.6 833.7,470.3 833.6,894.3 617.8,893.1 606.7,1404.5 535.4,1403.6 535.4,1913.0 1613.0,1913.0 1613.0,406.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019131907:01913_1907-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.3,1074.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.551658,37.722764]}},{"type":"Feature","properties":{"resourceCoords":[870.3,1747.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.551663,37.72154]}}]}}]}