{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07689_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Glen Rock, Pennsylvania | 1913 | 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":"10"},{"label":"placed","value":"4"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.81351,-76.74064 +/-9174m); p1__2 (tier 1, 40.05402,-76.72291 +/-148m); p3__2 (tier 1, 39.80058,-76.73073 +/-100m); p3__3 (tier 1, 39.79585,-76.73223 +/-100m); p3__4 (tier 1, 39.79531,-76.73737 +/-100m)"},{"label":"withheld","value":"p4__2 (11.6 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Rock, Pennsylvania | 1913 | sanborn07689_002 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2260.0"},{"label":"split_canvas_y","value":"4787.2"},{"label":"split_canvas_w","value":"4192.0"},{"label":"split_canvas_h","value":"2864.8"}],"created":"2026-09-23T21:39:28Z","modified":"2026-09-23T21:39:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1306.5,1762.2 1343.0,1615.0 1613.0,1701.5 1613.0,1196.8 817.7,1201.3 818.1,1522.6 565.0,1522.6 567.1,1646.7 1306.5,1762.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[565.0,1196.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73336055212766,39.7964341966554]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1196.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73094485508445,39.7962212302478]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73113485110406,39.79495379781509]}},{"type":"Feature","properties":{"resourceCoords":[565.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73355054814728,39.795166764222685]}},{"type":"Feature","properties":{"resourceCoords":[1307.0,1762.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.7318013,39.795283]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Rock, Pennsylvania | 1913 | sanborn07689_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:39:28Z","modified":"2026-09-23T21:39:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 738.5,0.0 759.1,133.5 1509.7,43.1 1613.0,437.8 1478.1,436.0 1436.5,1398.2 1383.8,1413.1 1447.2,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73505128872678,39.796392639642654]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73153797743785,39.795284725111166]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.7332361255124,39.792060624855296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.73674943680133,39.793168539386784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Rock, Pennsylvania | 1913 | sanborn07689_002 p3 [1]","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":"2026-09-23T21:39:28Z","modified":"2026-09-23T21:39:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.7,1404.9 674.6,1749.6 597.0,1762.6 597.7,1913.0 1613.0,1913.0 1613.0,1416.0 1039.3,1416.1 1034.0,858.9 1613.0,857.6 1613.0,76.3 1461.6,87.8 1062.4,215.1 1059.5,72.2 75.9,70.2 296.1,733.1 732.7,1404.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[698.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.7290604,39.7928406]}},{"type":"Feature","properties":{"resourceCoords":[1062.0,215.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.7319141,39.7945425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Rock, Pennsylvania | 1913 | sanborn07689_002 p4 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T21:39:28Z","modified":"2026-09-23T21:39:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 1286.8,1913.0 1387.7,1563.9 1050.1,787.4 927.9,0.0 554.4,0.0 709.7,939.8 499.8,1282.6 0.0,1284.9 0.0,1574.8 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076891913:07689_1913-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.7331636,39.7930494]}},{"type":"Feature","properties":{"resourceCoords":[1272.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.7303257,39.7930574]}}]}}]}