{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07638_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Greenville, Pennsylvania | 1922 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"8"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 6, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.40590,-75.50552 +/-549m); p1__2 (tier 1, 40.01321,-75.23327 +/-120m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2322.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5329.6"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"413.6,1830.6 517.9,1829.0 662.7,1763.4 810.6,1710.3 937.2,1713.3 1265.2,1706.6 1577.9,1710.0 1574.6,1405.3 1577.0,1164.4 1566.5,968.1 1526.9,965.4 1284.7,983.4 1231.9,1050.5 1196.8,990.9 960.7,985.3 846.0,953.2 837.0,953.1 837.0,952.9 837.0,952.4 837.0,950.7 835.9,950.4 799.4,779.3 508.1,645.7 487.4,706.0 416.0,659.7 72.8,833.4 19.4,1065.0 14.4,1836.7 413.6,1830.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,1774.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.50690672614552,40.40543778588982]}},{"type":"Feature","properties":{"resourceCoords":[1263.0,1442.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.50617345887791,40.40649018719205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"617.2,31.4 109.4,28.9 41.5,109.2 28.5,1137.3 15.4,1151.2 28.3,1339.9 29.4,1571.6 37.0,1864.8 345.4,1856.8 684.0,1853.9 1025.2,1846.6 1395.4,1843.8 1395.5,1834.5 1502.4,1833.6 1504.0,983.2 1574.5,843.0 1558.2,809.2 1579.3,793.3 1507.7,739.5 1575.6,659.2 1504.0,605.5 1505.3,281.4 1587.5,192.4 1382.8,23.1 1381.9,70.2 1036.0,84.2 1036.1,71.7 686.9,64.0 687.2,1.0 646.0,1.0 617.2,31.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.50529809369513,40.408701927635775]}},{"type":"Feature","properties":{"resourceCoords":[55.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.50557632746158,40.406873278358766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.0,1193.0 62.0,1192.8 58.8,216.1 456.1,208.5 557.0,206.5 696.9,142.5 839.9,90.5 962.3,92.9 1279.7,85.1 1582.3,87.2 1570.0,1510.0 1566.2,1912.0 1542.5,1912.0 1542.9,1893.0 144.7,1839.4 72.8,1882.1 46.6,1812.0 16.7,1800.2 77.0,1193.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1266.0,1510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.504043,40.4039318]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5034378,40.4042281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.0,80.0 682.5,74.6 1024.5,64.8 1395.6,59.2 1395.7,50.0 1502.8,48.2 1505.1,462.1 1593.8,630.8 1584.3,774.0 1504.0,847.1 1505.1,1788.2 1436.0,1912.0 1400.0,1912.0 1399.7,1858.0 1029.6,1814.6 1029.6,1817.0 684.7,1795.9 684.9,1807.3 343.1,1831.8 342.6,1810.0 50.5,1850.3 47.5,1508.0 33.8,90.3 343.0,80.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5018574,40.4056343]}},{"type":"Feature","properties":{"resourceCoords":[343.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5046224,40.4067066]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.0,255.4 62.1,197.2 354.5,159.4 354.8,181.3 696.7,159.8 696.6,148.3 1041.3,172.4 1041.3,170.0 1411.0,216.6 1410.7,270.6 1446.8,270.9 1517.0,147.8 1504.6,1785.2 141.1,1781.5 25.4,1391.5 38.4,256.6 62.0,255.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[701.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5011632,40.4036466]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4997358,40.4043309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p6 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.73"},{"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":"3196.8"},{"label":"split_canvas_h","value":"3480.0"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"797.1,1.0 794.5,1.0 764.2,11.7 516.1,60.7 485.0,13.1 435.4,60.5 36.2,26.5 18.1,819.5 65.7,842.3 81.3,807.1 132.3,833.5 465.1,765.0 465.1,779.0 775.0,778.9 788.6,35.9 797.1,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__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":[-75.5106368338519,40.405121933758274]}},{"type":"Feature","properties":{"resourceCoords":[799.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50905978905445,40.40592671694136]}},{"type":"Feature","properties":{"resourceCoords":[799.2,870.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.5079128975298,40.40461468162265]}},{"type":"Feature","properties":{"resourceCoords":[0.0,870.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50948994232726,40.40380989843956]}},{"type":"Feature","properties":{"resourceCoords":[465.1,779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5086921,40.4044155]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p6 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.46"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3078.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3373.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.5,1818.4 1550.2,1193.8 1534.7,1193.6 1538.8,188.3 1230.3,192.0 1230.1,177.5 887.2,252.4 919.2,291.3 897.7,507.3 958.0,555.9 893.9,780.9 941.2,821.0 852.8,956.5 930.9,1090.3 804.0,1228.2 836.9,1544.2 926.8,1575.4 1014.1,1779.7 1368.5,1772.2 1483.5,1818.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1230.3,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5074381,40.402954]}},{"type":"Feature","properties":{"resourceCoords":[1230.3,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5086921,40.4044155]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Greenville, Pennsylvania | 1922 | sanborn07638_001 p6 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3431.2"},{"label":"split_canvas_w","value":"3143.2"},{"label":"split_canvas_h","value":"4220.8"}],"created":"2026-10-19T04:37:31Z","modified":"2026-10-19T04:37:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.5,1783.0 73.9,1782.9 73.8,1846.9 423.9,1854.2 423.8,1866.8 770.3,1852.5 771.1,1805.3 756.1,1793.0 703.3,1497.2 776.2,1253.5 731.1,875.0 355.0,885.7 277.0,968.4 94.4,950.9 42.9,892.5 55.9,1759.2 33.5,1783.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076381922:07638_1922-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,857.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50759584385155,40.41124153434452]}},{"type":"Feature","properties":{"resourceCoords":[785.8,857.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50601317357855,40.41199620798405]}},{"type":"Feature","properties":{"resourceCoords":[785.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50468617172329,40.410371554149414]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.50626884199629,40.40961688050988]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1253.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.5069472,40.4107043]}}]}}]}