{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07523_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bellwood, Pennsylvania | 1894 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"9"},{"label":"placed","value":"4"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2, georef-street 1, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.60131,-78.33377 +/-319m); p1__3 (tier 4, 40.60131,-78.33377 +/-319m); p1__4 (tier 4, 40.60131,-78.33377 +/-319m); p1__5 (tier 4, 40.60131,-78.33377 +/-319m); p2__2 (tier 1, 40.59741,-78.33572 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellwood, Pennsylvania | 1894 | sanborn07523_001 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3248.4"},{"label":"split_canvas_h","value":"2368.8"}],"created":"2026-10-18T16:09:36Z","modified":"2026-10-18T16:09:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"238.2,578.0 401.6,589.7 402.8,589.7 449.8,552.2 417.2,484.5 601.9,485.5 600.2,583.0 773.2,564.9 771.3,31.1 65.7,24.2 9.0,146.6 238.4,564.0 238.2,578.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[363.1,478.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3353671,40.60354]}},{"type":"Feature","properties":{"resourceCoords":[363.1,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3362893,40.6039681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellwood, Pennsylvania | 1894 | sanborn07523_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T16:09:36Z","modified":"2026-10-18T16:09:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1197.0,1698.8 1197.0,1672.5 1157.9,1618.7 1196.9,1349.0 1535.1,1344.5 1608.9,1254.0 1584.2,456.2 1612.0,457.8 1612.0,448.7 1612.0,443.9 1378.8,35.5 840.0,27.2 758.9,78.7 671.7,37.7 499.3,138.2 239.2,128.2 157.2,40.2 51.8,80.8 38.8,736.3 97.8,1022.5 17.9,1379.3 36.5,1726.1 1.0,1729.0 1.0,1757.4 939.6,1809.3 1197.0,1698.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[815.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.335608,40.6016696]}},{"type":"Feature","properties":{"resourceCoords":[815.0,1289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.3346573,40.601212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellwood, Pennsylvania | 1894 | sanborn07523_001 p3","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T16:09:36Z","modified":"2026-10-18T16:09:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"746.8,73.4 1551.0,176.8 1537.0,499.6 1529.4,499.3 1527.5,993.6 1536.3,1347.4 1513.1,1410.1 1538.8,1834.3 1526.5,1867.7 66.3,1862.8 77.7,51.5 748.8,44.9 746.8,73.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.3357491,40.5983711]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.3339351,40.6009386]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.3299247,40.599305099999995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.3317387,40.5967376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bellwood, Pennsylvania | 1894 | sanborn07523_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T16:09:36Z","modified":"2026-10-18T16:09:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.5,1430.2 146.5,1366.9 116.3,1017.2 88.2,527.8 95.6,527.6 89.8,207.4 228.4,217.5 501.3,105.2 516.9,127.5 1523.9,92.2 1611.9,517.0 1547.9,834.9 1540.1,1849.5 903.6,1770.3 570.8,1861.7 487.4,1782.3 350.6,1770.6 194.0,1797.1 178.6,1848.8 127.5,1430.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075231894:07523_1894-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.3341701113368,40.60074758885163]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.33214797743716,40.603264742422695]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.328243674718,40.60143100417066]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.33026580861764,40.598913850599594]}}]}}]}