{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07720_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hollidaysburg, Pennsylvania | 1911 | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"35"},{"label":"placed","value":"16"},{"label":"unplaced","value":"19"},{"label":"fit sources","value":"georef 11, georef-snap 3, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 26 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.42844,-78.39574 +/-256m); p11__2 (tier 2, 40.43063,-78.38482 +/-100m); p12__1 (tier 2, 40.42697,-78.40167 +/-100m); p13__1 (tier 1, 40.42825,-78.40240 +/-103m); p14__2 (tier 1, 40.42434,-78.39798 +/-100m); p15__1 (tier 1, 40.42705,-78.39169 +/-100m); p15__3 (tier 1, 40.42694,-78.39196 +/-100m); p15__4 (tier 1, 40.42690,-78.39223 +/-100m); p16__1 (tier 4, 40.42915,-78.39256 +/-895m); p16__2 (tier 4, 40.42915,-78.39256 +/-895m); p17 (tier 4, 40.42915,-78.39256 +/-895m); p18__1 (tier 1, 40.43497,-78.39570 +/-100m); p18__2 (tier 1, 40.43474,-78.39473 +/-100m); p19__1 (tier 4, 40.42915,-78.39256 +/-895m); p19__2 (tier 4, 40.42915,-78.39256 +/-895m); p19__3 (tier 4, 40.42915,-78.39256 +/-895m); p19__4 (tier 4, 40.42915,-78.39256 +/-895m); p5__2 (tier 1, 40.43420,-78.39526 +/-100m); p8__2 (tier 2, 40.43227,-78.39513 +/-373m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000100","type":"ImageService3","width":2190,"height":2590},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,955.5 287.1,954.1 280.9,443.8 26.3,451.9 17.8,0.0 2190.0,0.0 2190.0,2590.0 1794.4,2590.0 1783.8,2280.8 1485.2,2283.2 1483.2,2467.9 -0.0,2462.3 -0.0,955.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000100/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38767177506196,40.43360509074104]}},{"type":"Feature","properties":{"resourceCoords":[2190.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38383973480222,40.4344036442115]}},{"type":"Feature","properties":{"resourceCoords":[2190.0,2590.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38260770195389,40.43092969811058]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2590.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38643974221362,40.43013114464012]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p11 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8768.0"},{"label":"split_canvas_h","value":"10356.0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110","type":"ImageService3","width":2192,"height":2589},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1764.6,2447.6 1764.4,2589.0 2192.0,2589.0 2192.0,1355.1 820.4,1340.6 830.4,650.2 493.9,648.4 500.7,17.7 85.2,-0.0 69.8,1736.0 189.0,1736.0 184.3,2443.3 1764.6,2447.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3873818,40.4299317]}},{"type":"Feature","properties":{"resourceCoords":[1766.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3865822,40.4278339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p11 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3281.6"},{"label":"split_canvas_y","value":"2600.8"},{"label":"split_canvas_w","value":"5486.4"},{"label":"split_canvas_h","value":"2819.6"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110","type":"ImageService3","width":2192,"height":2589},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2192.0,657.1 1142.0,651.8 1141.6,700.7 829.5,708.9 825.0,1019.5 1012.2,1023.0 1004.3,1304.1 2192.0,1355.1 2192.0,657.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000110__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[820.4,650.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38336645742955,40.431217625945344]}},{"type":"Feature","properties":{"resourceCoords":[2192.0,650.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38271991353625,40.42945007146498]}},{"type":"Feature","properties":{"resourceCoords":[2192.0,1355.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38390472710863,40.42919539382689]}},{"type":"Feature","properties":{"resourceCoords":[820.4,1355.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38455127100194,40.430962948307254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p12 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4348.4"},{"label":"split_canvas_y","value":"4501.2"},{"label":"split_canvas_w","value":"4447.6"},{"label":"split_canvas_h","value":"5902.8"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120","type":"ImageService3","width":2199,"height":2601},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2085.0,2505.0 2085.2,2601.0 2199.0,2601.0 2199.0,1134.3 1632.6,1125.3 1314.0,1291.4 1101.1,1269.1 1099.6,1403.1 1088.1,2503.4 2085.0,2505.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1232.1,2505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.4017601,40.4265344]}},{"type":"Feature","properties":{"resourceCoords":[2085.0,2505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.4015682,40.4276878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p12 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4928.8"},{"label":"split_canvas_w","value":"4404.4"},{"label":"split_canvas_h","value":"5475.2"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120","type":"ImageService3","width":2199,"height":2601},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2601.0 1056.0,2601.0 1087.1,2601.0 1099.6,1403.1 1101.1,1269.1 785.2,1236.0 0.0,1232.2 -0.0,2601.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000120__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[500.1,1421.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3944654,40.4237105]}},{"type":"Feature","properties":{"resourceCoords":[1017.1,1295.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3937032,40.4240909]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000130__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p13 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8792.0"},{"label":"split_canvas_h","value":"10328.0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000130__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000130","type":"ImageService3","width":2198,"height":2582},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.2,120.0 558.5,80.7 561.4,0.0 -0.0,-0.0 0.0,921.6 0.0,1735.5 1500.7,2181.1 1857.6,2373.1 1745.2,2582.0 2005.5,2582.0 2198.0,2443.2 2198.0,0.0 1674.5,0.0 1666.8,220.0 1553.0,216.0 1556.2,120.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000130__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[621.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3985434,40.4261978]}},{"type":"Feature","properties":{"resourceCoords":[91.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.4018298,40.4257015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000140__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p14 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8792.0"},{"label":"split_canvas_h","value":"10352.0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000140__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000140","type":"ImageService3","width":2198,"height":2588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2588.0 471.4,2588.0 1466.0,2588.0 1840.7,2588.0 2198.0,2588.0 2198.0,664.4 2085.0,665.4 2035.6,765.4 1840.7,667.5 1766.5,668.2 1766.9,630.5 510.9,0.0 -0.0,-0.0 -0.0,400.5 314.9,1915.0 -0.0,2084.3 -0.0,2588.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000140__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[170.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3985434,40.4261978]}},{"type":"Feature","properties":{"resourceCoords":[997.0,1037.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.397034,40.4258669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000150__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p15 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4186.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4609.2"},{"label":"split_canvas_h","value":"6091.2"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000150__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000150","type":"ImageService3","width":2199,"height":2586},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2199.0,0.0 1946.4,0.0 1758.7,0.0 1530.1,0.0 1418.4,0.0 1056.7,0.0 1047.9,1342.2 2199.0,1335.7 2199.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000150__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1046.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39237541677618,40.42753295980787]}},{"type":"Feature","properties":{"resourceCoords":[2199.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.391386650126,40.427720338592614]}},{"type":"Feature","properties":{"resourceCoords":[2199.0,1522.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39106379265013,40.42671908388096]}},{"type":"Feature","properties":{"resourceCoords":[1046.7,1522.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39205255930031,40.42653170509622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000020","type":"ImageService3","width":2201,"height":2606},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2606.0 -0.0,0.0 1621.4,-0.0 1619.7,42.5 2020.5,149.8 1872.5,147.7 1869.2,2605.7 -0.0,2606.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[853.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3971504,40.4324895]}},{"type":"Feature","properties":{"resourceCoords":[2049.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.396046,40.4310712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p3","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000030","type":"ImageService3","width":2200,"height":2596},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,135.2 1897.8,159.9 1872.8,2596.0 -0.0,2596.0 -0.0,135.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3965918,40.4294754]}},{"type":"Feature","properties":{"resourceCoords":[600.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3943948,40.4311385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000040","type":"ImageService3","width":2201,"height":2593},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2201.0,2593.0 100.8,2593.0 109.8,120.7 943.2,120.9 1682.3,304.1 1638.1,456.8 2201.0,619.7 2201.0,2593.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39313761429217,40.429802301781145]}},{"type":"Feature","properties":{"resourceCoords":[2201.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39115825883952,40.42717633473049]}},{"type":"Feature","properties":{"resourceCoords":[2201.0,2593.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39519382758037,40.4253887227223]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2593.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39717318303302,40.42801468977296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000050__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p5 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8772.0"},{"label":"split_canvas_h","value":"10376.0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000050__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000050","type":"ImageService3","width":2193,"height":2594},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.9,2566.4 1026.9,2365.7 2143.5,2376.9 2128.6,363.9 1981.5,367.7 1978.3,0.0 0.0,0.0 0.0,619.1 451.3,520.3 588.5,1030.4 9.0,1163.0 41.4,1284.0 -0.0,1293.3 -0.0,1706.3 216.9,2566.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000050__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[217.0,2566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3939987,40.4306126]}},{"type":"Feature","properties":{"resourceCoords":[8.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3947719,40.431639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000060","type":"ImageService3","width":2199,"height":2591},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2029.3,1935.1 361.4,2354.4 160.9,1539.9 172.6,416.2 1821.7,398.4 1823.0,1126.2 2029.3,1935.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000060/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39007623948636,40.43197138822985]}},{"type":"Feature","properties":{"resourceCoords":[2199.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.38900821571333,40.42903739834684]}},{"type":"Feature","properties":{"resourceCoords":[2199.0,2591.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39351793082675,40.42807273719041]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2591.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.39458595459978,40.43100672707342]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000070","type":"ImageService3","width":2198,"height":2595},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1711.8,2030.4 1055.2,2002.0 1039.0,2407.2 314.9,2403.8 115.4,1592.0 127.4,137.1 1718.0,143.8 1717.6,286.1 2148.0,286.8 2148.5,-0.0 2198.0,-0.0 2198.0,847.8 2198.0,847.8 2198.0,2595.0 1692.2,2595.0 1711.8,2030.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3907416,40.4280517]}},{"type":"Feature","properties":{"resourceCoords":[115.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3911511,40.4291198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000080__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8764.0"},{"label":"split_canvas_h","value":"10372.0"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000080__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000080","type":"ImageService3","width":2191,"height":2593},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1583.0,2514.9 1583.0,2439.2 2191.0,2428.8 2191.0,786.1 1650.5,781.2 1647.5,552.4 745.8,542.0 746.1,0.0 -0.0,0.0 -0.0,887.4 148.2,884.9 145.9,2484.8 1583.0,2514.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000080__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,1644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3888608,40.433812]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3895726,40.4356795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hollidaysburg, Pennsylvania | 1911 | sanborn07720_006 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-20T23:17:19Z","modified":"2026-09-20T23:17:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000090","type":"ImageService3","width":2200,"height":2593},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.7,967.9 -0.0,966.5 -0.0,102.7 515.4,115.0 507.5,403.1 2028.7,457.7 2022.2,1001.2 2142.2,1003.3 2108.0,2442.6 20.9,2404.0 75.7,967.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g07720006:sb000090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1698.0,2435.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3900903,40.4299344]}},{"type":"Feature","properties":{"resourceCoords":[1698.0,397.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3865719,40.4307615]}}]}}]}