{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07616_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Delaware Co., Pennsylvania | 1922 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"89"},{"label":"placed","value":"72"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef-snap 43, georef 25, snap:0 2, georef-street 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p0__1 (tier 1, 39.96925,-75.29626 +/-496m); p0__2 (tier 1, 39.94019,-75.27057 +/-128m); p204 (tier 2, 39.92754,-75.29698 +/-1207m); p206__1 (tier 2, 39.93334,-75.29670 +/-198m); p206__2 (tier 2, 39.93334,-75.29670 +/-198m); p223__2 (tier 1, 39.93905,-75.27985 +/-100m); p234__2 (tier 2, 39.94198,-75.25712 +/-303m); p241__2 (tier 1, 39.96327,-75.25901 +/-108m); p246 (tier 2, 39.96210,-75.26638 +/-385m); p265 (tier 2, 39.93631,-75.29985 +/-258m); p266 (tier 2, 39.93199,-75.30716 +/-169m); p267 (tier 1, 39.93973,-75.30655 +/-239m); p275 (tier 1, 39.94915,-75.31515 +/-226m); p278__1 (tier 1, 39.95465,-75.29678 +/-354m); p279 (tier 1, 39.94810,-75.32248 +/-492m); p280 (tier 1, 39.95595,-75.31473 +/-476m); p282 (tier 2, 39.96036,-75.29325 +/-688m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p201","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0201","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.2,1791.8 217.4,1416.5 -0.0,1383.2 -0.0,0.0 970.5,0.0 1158.4,163.6 1121.7,2008.0 282.1,2008.0 145.8,1892.2 126.2,1791.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0201/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30244207233373,39.92930409410571]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2998585098417,39.930904551421]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29687109151395,39.92802852938175]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29945465400598,39.92642807206646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p202","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0202","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,0.0 1393.0,161.9 1341.1,161.6 1393.0,2008.0 -0.0,2008.0 -0.0,76.6 1393.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2976823,39.9307934]}},{"type":"Feature","properties":{"resourceCoords":[208.0,555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2990299,39.9300034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p203","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0203","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"837.7,1925.3 111.7,1845.3 44.1,0.0 1077.2,0.0 1277.8,1488.0 1393.0,1503.7 1393.0,2008.0 828.8,2008.0 837.7,1925.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[838.0,1925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2931716,39.9298933]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2953916,39.9299459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p205","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0205","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,1801.5 -0.0,1906.2 -0.0,0.0 1393.0,0.0 1393.0,1801.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0205/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30289560813665,39.93326333654457]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30019894505229,39.93478357185563]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29736111139799,39.93178181331387]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30005777448235,39.930261578002806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p207","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0207","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1214.6,0.0 1226.7,1394.9 1163.0,1406.7 -0.0,1894.9 -0.0,0.0 1214.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0207/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31273314717399,39.93043102537383]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30631546746285,39.93142339469713]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30446314584975,39.9242790868587]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31088082556089,39.9232867175354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0208","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1933.2 0.0,-0.0 1393.0,0.0 1393.0,27.4 983.1,212.7 1378.8,1088.5 1393.0,1080.8 1393.0,1094.4 1288.5,1068.1 855.6,1287.8 1080.3,1730.5 -0.0,1933.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0208/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30767700950214,39.93328845610356]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30119533132573,39.93433560603285]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29924067550132,39.92712035878464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30572235367774,39.92607320885535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p209","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0209","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1129.0,0.0 1143.8,1990.6 1393.0,1987.1 1393.0,2008.0 -0.0,2008.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1070.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3054934,39.92116]}},{"type":"Feature","properties":{"resourceCoords":[258.0,996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3092871,39.9201989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p210","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0210/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0210","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2008.0 -0.0,0.0 609.0,0.0 1352.5,156.2 1329.1,1161.1 1146.2,2008.0 -0.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0210/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30846257508797,39.92501535272568]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30300671671498,39.92785003104091]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2977159085348,39.921776097477824]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3031717669078,39.91894141916259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p211","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0211","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.3,1849.0 173.8,989.9 144.4,0.0 304.1,0.0 553.5,37.1 580.5,232.9 691.8,234.6 681.0,467.9 765.0,526.6 1185.8,468.8 1188.2,489.2 1393.0,466.6 1393.0,1823.7 1173.6,1854.0 1177.3,1993.4 1393.0,1987.8 1393.0,2008.0 -0.0,2008.0 -0.0,1850.9 35.3,1849.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0211/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30328722764757,39.92696640028217]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29767013060916,39.929562665451925]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2928241851254,39.9233093889302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29844128216381,39.92071312376044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p212","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0212","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"743.0,468.6 1108.2,479.9 1107.2,521.4 1388.4,499.3 1367.0,249.3 1393.0,250.2 1393.0,2008.0 -0.0,2008.0 -0.0,1870.6 216.8,1846.4 251.8,509.9 743.0,468.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0212/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29886194209783,39.92919866888963]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29325121157224,39.931948463172404]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28811853154693,39.925702482894216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29372926207252,39.922952688611446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p213","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"26"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0213","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1110.8,1411.2 1116.0,1698.8 1268.2,1686.8 1393.0,1757.6 1393.0,2008.0 441.2,2008.0 414.9,480.2 331.1,477.4 210.2,0.0 1131.2,0.0 1270.4,461.6 1273.5,805.8 1259.5,1415.8 1110.8,1411.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2911167,39.9297629]}},{"type":"Feature","properties":{"resourceCoords":[1269.0,483.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2890984,39.9327919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p214","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0214/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0214","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"250.0,1754.3 148.8,1704.6 -0.0,1712.7 -0.0,1432.7 145.0,1440.7 169.3,847.4 172.2,512.4 50.5,109.2 41.6,66.9 65.4,0.0 1044.2,0.0 1131.6,192.4 1303.6,372.9 1356.2,481.2 1312.9,664.7 1393.0,672.4 1393.0,970.1 1332.7,1098.7 1350.8,1201.3 1393.0,1192.8 1393.0,2008.0 265.3,2008.0 269.4,1776.4 250.0,1754.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0214/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29120833346649,39.93415128263193]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28543728453525,39.9369829563597]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28015139479123,39.930558963463675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28592244372247,39.927727289735905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0215/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p215","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0215/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0215","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,1899.5 -0.0,1905.6 -0.0,78.2 174.4,0.0 1023.2,0.0 1393.0,620.6 1393.0,1899.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0215/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27672630490834,39.94377009037524]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27346702167341,39.94405694397917]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27293147493276,39.940429420627154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27619075816769,39.94014256702322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p216","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0216/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0216","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.9,1912.0 302.4,667.7 -0.0,118.4 0.0,0.0 1279.1,0.0 1278.0,1339.0 1393.0,1339.5 1393.0,1872.5 296.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0216/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1278.0,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.270799,39.941874]}},{"type":"Feature","properties":{"resourceCoords":[1278.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2711204,39.9439667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p217","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0217","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"546.6,0.0 544.2,204.7 1393.0,202.2 1393.0,1627.5 26.9,1820.1 21.2,0.0 546.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0217/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27756368103573,39.940575569798135]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27427529761977,39.94089558147797]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27367787398201,39.937235497408146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27696625739797,39.93691548572831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p218","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0218","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"725.2,1415.5 75.1,1516.7 65.2,87.4 1367.4,50.1 1387.9,1704.5 1114.2,1727.8 1131.8,2008.0 735.1,2008.0 725.2,1415.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0218/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1378.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2707443,39.9385191]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2737809,39.9379403]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p219","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0219","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1350.5,1908.5 -0.0,1933.9 -0.0,1163.7 279.5,1158.1 340.3,5.6 1393.0,58.7 1393.0,733.1 1268.8,740.0 1235.7,741.8 1250.2,1601.3 1343.8,1600.3 1350.5,1908.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0219/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2717512307734,39.93983754774742]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26853279925052,39.94028528681374]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26769693154792,39.936703028477766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2709153630708,39.93625528941145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p220","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0220/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0220","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.3,1919.5 92.8,1611.6 -0.0,1611.3 -0.0,752.6 156.2,746.1 167.4,72.5 -0.0,61.6 -0.0,-0.0 1289.6,0.0 1285.5,706.3 1344.9,1918.5 94.3,1919.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[865.0,1579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.266202,39.9377423]}},{"type":"Feature","properties":{"resourceCoords":[559.0,1923.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2667559,39.937023]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p221","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0221/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0221","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1231.9,69.3 1253.4,1836.0 1328.0,2008.0 -0.0,2008.0 -0.0,98.1 1231.9,69.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0221/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27081787475612,39.936587634158705]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2675621565782,39.93703237314912]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26673192948516,39.933408439040626]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26998764766309,39.93296370005021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p222","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0222","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1832.8 -0.0,613.4 -0.0,85.7 1263.9,78.2 1339.0,1261.5 1393.0,1259.5 1393.0,2008.0 73.4,2008.0 -0.0,1832.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0222/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26794831872657,39.937011790890054]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26466338381661,39.93749248859637]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26376602369498,39.93383605882165]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26705095860494,39.93335536111533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0223__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p223 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5572.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0223__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0223","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.4,1048.2 361.9,1143.2 400.6,1129.4 464.8,1268.2 464.6,1341.3 495.0,1385.2 512.8,1372.0 688.4,1752.1 157.8,2008.0 850.8,2008.0 850.3,1573.5 850.1,1419.4 1138.1,1422.9 1102.2,897.6 1136.0,892.4 1137.1,438.4 1267.3,438.9 1269.2,327.5 291.4,740.5 397.4,987.7 342.4,1048.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0223__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1136.0,341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2776454,39.9412916]}},{"type":"Feature","properties":{"resourceCoords":[1136.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2769588,39.9372641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p224","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0224","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.5,1940.5 -0.0,1778.3 -0.0,104.9 1096.7,31.2 1076.5,328.7 1276.7,346.1 1271.5,588.2 1307.9,589.1 1284.2,1550.2 1393.0,1552.8 1393.0,2008.0 12.7,2008.0 108.5,1940.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0224/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27737289713434,39.93756824041352]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27093498182836,39.93857441101143]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26905670267352,39.93140832648168]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2754946179795,39.93040215588377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p225","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0225","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.7,0.0 1014.2,0.0 1072.5,91.1 1172.2,0.0 1393.0,0.0 1393.0,171.3 1344.2,196.1 1330.7,757.1 1276.7,760.0 1277.2,987.2 1327.0,986.5 1306.1,1918.0 1393.0,1919.7 1393.0,2008.0 8.4,2008.0 34.7,1920.1 228.6,193.9 222.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0225/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29112433241103,39.9433016554133]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28548325719366,39.9458282763969]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28076618818353,39.93954979020643]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2864072634009,39.937023169222826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p226","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"28"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0226","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.2,1001.9 -0.0,1002.9 -0.0,777.5 53.4,774.5 67.9,218.3 116.1,193.6 116.4,23.8 -0.0,24.2 -0.0,-0.0 886.0,4.2 916.6,74.7 975.2,116.0 967.5,230.8 1367.8,237.8 1393.0,417.1 1393.0,1520.8 1180.1,2008.0 112.4,2008.0 112.5,1926.7 26.7,1925.4 49.2,1001.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[461.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2817219,39.9433494]}},{"type":"Feature","properties":{"resourceCoords":[969.0,517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2808069,39.9458288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p227","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0227","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1311.9,298.3 1296.5,1679.8 1294.8,1826.7 1242.8,1804.3 1279.1,1719.8 690.8,1467.0 667.7,1521.1 659.2,1464.0 314.4,1314.7 312.2,1296.6 158.2,1298.5 152.8,302.6 263.6,284.6 266.4,345.5 1311.9,298.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0227/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28052537632585,39.94743383682116]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2747812838389,39.949986338903734]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27001560398168,39.943593587023216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27575969646863,39.94104108494064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p228","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0228","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,608.4 1240.1,1002.4 1059.2,926.8 796.9,1577.8 953.3,1630.9 528.9,2008.0 391.9,2008.0 -0.0,1840.8 -0.0,281.9 333.5,263.1 333.4,454.0 1393.0,446.8 1393.0,608.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0228/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.275051188248,39.949773742026885]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26938139334928,39.952228434498906]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26479812763958,39.94591864911184]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2704679225383,39.94346395663982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p229","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0229/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0229","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"207.1,1604.5 365.8,1607.2 368.3,1339.9 310.2,1339.0 315.6,760.2 803.4,766.1 920.7,718.8 994.0,571.1 991.6,768.5 1239.0,771.5 1292.4,1789.4 646.7,1831.5 648.8,1862.1 208.2,1862.4 207.1,1604.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0229/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27305172424252,39.946566084177014]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26653638667679,39.94721009614258]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2653340164521,39.93995876347622]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27184935401783,39.93931475151066]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p230","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0230","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,695.1 0.0,0.0 1257.8,0.0 1288.4,50.5 1323.0,367.4 1290.5,517.6 1216.2,718.0 1393.0,681.0 1393.0,1259.8 1313.2,1227.7 1393.0,1684.3 1393.0,1956.5 1346.5,2008.0 1185.2,2007.5 1225.0,1978.8 1271.8,1755.2 1033.9,1920.4 665.1,1710.5 732.6,1588.1 66.2,1449.7 151.5,944.2 126.8,945.6 88.9,745.6 -0.0,695.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2645698,39.9479727]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2637041,39.9525865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p231","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0231","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.0,1779.8 242.3,1212.7 -0.0,1215.7 -0.0,1016.1 168.6,669.1 8.8,680.1 0.0,0.0 848.9,0.0 809.3,128.4 1200.3,253.8 1393.0,51.8 1393.0,271.4 1361.0,306.2 1393.0,315.6 1393.0,1706.0 692.5,1778.6 276.0,1779.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0231/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26862474808183,39.94872784683878]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26196166750925,39.949322852359195]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26085075863858,39.94190731188724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26751383921116,39.941312306366825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p232","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0232","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.3,483.8 533.7,0.0 1132.9,0.0 1355.5,76.8 1393.0,1069.6 1393.0,1376.0 1376.5,1555.7 1225.2,1633.7 240.7,1730.2 246.3,483.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0232/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26312628961594,39.94919510914145]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25658010958331,39.9498027687682]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25544556558836,39.942517389421276]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26199174562099,39.941909729794524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p233","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0233/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0233","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,2008.0 141.1,2008.0 112.9,809.2 141.2,24.6 560.9,69.2 1374.1,73.3 1375.8,808.0 1393.0,808.0 1393.0,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0233/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26700049163738,39.94224586338403]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26054586290151,39.9433812610105]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25842619980074,39.93619707458388]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2648808285366,39.93506167695741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0234__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p234 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"22"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5572.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0234__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0234","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.5,2008.0 426.0,2008.0 570.4,2008.0 571.1,1360.7 1393.0,1368.2 1393.0,0.0 978.3,0.0 971.0,63.0 84.7,61.8 88.7,801.8 105.8,801.7 109.5,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0234__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2561252,39.9411067]}},{"type":"Feature","properties":{"resourceCoords":[971.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2564454,39.9438022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p235","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"7"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0235","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.1,600.0 197.2,621.9 231.3,468.4 241.7,243.5 276.1,267.1 322.4,59.6 345.0,44.4 263.6,0.0 1237.6,0.0 1142.4,256.2 1179.1,267.1 1205.8,487.9 1226.2,580.0 1317.7,547.3 1393.0,506.0 1393.0,2008.0 304.2,2008.0 492.6,1440.6 368.5,1399.5 474.6,1182.5 401.8,1150.3 342.5,1279.6 238.4,831.4 199.0,796.1 222.5,769.5 222.3,680.8 189.9,678.5 144.2,638.9 76.9,686.6 111.4,610.6 99.1,600.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0235/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2539301,39.9536052]}},{"type":"Feature","properties":{"resourceCoords":[182.0,1372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2574453,39.9436212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p236","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0236","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"656.9,2008.0 455.7,2008.0 84.5,1824.4 439.4,129.8 574.1,83.5 718.7,85.6 1363.4,1925.8 1356.9,1958.0 656.9,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0236/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25580936095854,39.95893519206007]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25448603587384,39.95389162070003]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26390409451773,39.95241907592644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26522741960243,39.957462647286484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p237","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0237","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2.8 1393.0,0.0 1385.1,1853.6 1132.3,2008.0 974.3,2008.0 29.8,1581.6 -0.0,1262.4 0.0,2.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0237/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26471156256872,39.963071154594125]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25811195483304,39.96326466322013]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25775058778191,39.95592129873925]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2643501955176,39.955727790113244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p238","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0238","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1217.2,1781.8 513.1,1777.7 511.4,2008.0 124.7,2008.0 394.5,311.9 7.7,250.4 57.4,0.0 1393.0,0.0 1393.0,25.9 1240.1,23.9 1217.2,1781.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0238/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26023786276319,39.96410510271008]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2537485037518,39.965098249093145]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2518938177259,39.95787770622162]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2583831767373,39.95688455983856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p239","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0239","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1793.8 0.0,0.0 1393.0,0.0 1393.0,2008.0 243.6,2008.0 273.4,1815.1 82.3,1814.7 82.2,1793.2 -0.0,1793.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0239/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25443856080878,39.964903293947145]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.24806246787921,39.96581251892626]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.24636446892983,39.958718150091165]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2527405618594,39.95780892511205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p240","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0240","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.3,363.8 -0.0,363.7 -0.0,3.1 769.5,0.0 769.5,20.6 953.1,21.6 925.0,172.9 925.1,208.1 1393.0,209.5 1393.0,2008.0 927.6,2008.0 682.2,1341.9 570.6,1470.2 422.8,1593.8 321.8,1436.6 121.0,1044.3 45.2,1049.1 47.3,363.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[212.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2540872,39.9537375]}},{"type":"Feature","properties":{"resourceCoords":[768.0,365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.252224,39.9572882]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0241__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p241 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5572.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0241__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0241","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.5,1975.0 30.6,2008.0 710.0,2008.0 713.6,2008.0 799.1,1925.7 876.8,2008.0 999.0,2008.0 1393.0,2008.0 1393.0,1712.2 1024.0,1672.0 1055.6,1609.2 1393.0,1635.1 1393.0,1466.9 1286.0,1475.7 864.8,1655.7 753.6,1644.1 667.2,1051.2 1183.9,1034.7 1172.7,982.6 1182.6,974.3 1223.9,940.2 1393.0,841.9 1393.0,0.0 -0.0,0.0 -0.0,1872.7 58.5,1975.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0241__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,1594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2619765,39.9621123]}},{"type":"Feature","properties":{"resourceCoords":[814.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2613912,39.9617919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p242","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0242","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.1,0.0 1393.0,0.0 1393.0,2008.0 0.0,2008.0 0.0,651.2 62.0,650.5 56.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0242/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27747270936179,39.965020426459944]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27590726241702,39.970049755151635]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26651429443352,39.96830806572532]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26807974137829,39.963278737033626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p243","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0243/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0243","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"984.3,152.1 1009.8,151.4 1006.5,599.5 1062.8,599.5 1060.7,774.7 1005.2,774.3 1003.7,974.6 1048.9,1058.1 1002.9,1086.5 1001.5,1268.9 1172.1,1577.3 999.4,1565.0 999.1,1603.3 254.6,1447.8 258.6,756.2 270.6,756.0 260.4,0.0 982.2,0.0 984.3,152.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0243/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.270519,39.9587776]}},{"type":"Feature","properties":{"resourceCoords":[222.0,545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.271652,39.9566328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0244/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p244","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0244/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0244","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1637.5 -0.0,1483.7 -0.0,0.0 1393.0,0.0 1393.0,1903.2 1291.0,2008.0 1236.5,2008.0 584.2,2008.0 -0.0,1637.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0244/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26982364196151,39.95994289890263]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26407148101168,39.9624997441006]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.25929681753186,39.95609918546353]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.26504897848169,39.953542340265564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p245","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0245","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"574.5,785.8 1145.9,781.2 1141.5,234.1 1393.0,475.2 1393.0,1677.5 1236.2,1677.3 1234.7,1875.6 1208.1,1876.4 1207.1,1724.2 485.1,1724.2 471.9,745.2 574.5,785.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[413.0,555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2758883,39.9619684]}},{"type":"Feature","properties":{"resourceCoords":[937.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2718323,39.9604223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p247","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0247/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0247","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1386.7,2008.0 -0.0,2008.0 -0.0,1946.4 195.5,1922.9 195.6,1675.2 106.2,895.1 78.3,406.6 12.3,362.9 80.8,364.1 79.0,326.9 1391.8,351.4 1386.7,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0247/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28369579467667,39.95298570515844]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27815694689532,39.955710997291774]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27306822982625,39.94954718546476]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2786070776076,39.946821893331425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0248/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p248","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0248/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0248","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.3,380.8 1023.3,355.1 1393.0,365.7 1393.0,1183.2 1223.7,1148.9 1088.1,1817.2 1163.7,1883.1 1162.1,2008.0 119.7,2008.0 66.3,380.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0248/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2779012,39.9550621]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2721594,39.9575878]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2674099,39.9512432]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2731517,39.9487175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p249","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0249","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.3,2008.0 137.4,180.8 151.9,23.8 167.7,0.0 1146.4,0.0 1393.0,73.8 1393.0,2008.0 91.3,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0249/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28793821855729,39.95821148683638]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28228540991704,39.96087949243428]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2772708668357,39.95462999869015]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28292367547596,39.951961993092254]}},{"type":"Feature","properties":{"resourceCoords":[117.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2850111,39.9553793]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p250","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"6"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0250/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0250","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"722.6,0.0 1341.0,0.0 1273.4,178.2 1393.0,227.4 1393.0,2008.0 1380.7,2008.0 1383.2,1878.9 1004.1,1860.7 21.8,1868.3 15.5,1650.4 -0.0,228.7 -0.0,228.7 -0.0,-0.0 40.9,0.0 40.1,41.2 695.1,57.4 722.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1176.0,1786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2723387,39.9563368]}},{"type":"Feature","properties":{"resourceCoords":[1176.0,1397.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2732656,39.957521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p251","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0251","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,349.8 159.3,340.2 91.4,0.0 982.8,0.0 987.2,187.0 1256.5,184.2 1261.3,419.5 1393.0,417.7 1393.0,1999.8 1361.5,2008.0 1348.9,1670.2 1099.0,1604.2 118.3,1635.1 103.0,1672.6 -0.0,1675.8 -0.0,349.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0251/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29158180343934,39.96352223795638]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28583836061136,39.96604512582605]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2811268640193,39.95965460059703]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28687030684728,39.95713171272736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p252","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0252","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1013.6,178.5 1032.5,137.1 1101.8,203.8 1280.3,201.0 1277.2,0.0 1393.0,0.0 1393.0,1744.7 956.1,1750.0 930.5,1805.6 296.7,1797.7 296.7,1757.9 286.1,1758.0 298.4,187.6 819.3,184.7 866.7,163.4 930.1,98.2 1013.6,178.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0252/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28654200016041,39.96476256545585]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28078184364895,39.96733908976105]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27597009439637,39.96093008308168]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28173025090783,39.95835355877648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p253","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0253","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"343.8,1872.5 184.7,1876.5 180.2,2008.0 -0.0,2008.0 0.0,0.0 1393.0,0.0 1393.0,22.5 1193.0,20.3 1192.4,74.8 1299.5,76.7 1289.2,456.3 1278.5,509.1 1186.6,602.2 1184.2,819.9 1235.4,871.9 1205.2,903.9 1361.7,1062.5 1163.8,1255.4 1179.0,1285.1 1175.9,1561.8 287.8,1531.2 343.8,1872.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0253/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29619150333443,39.9679230442102]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29054621203102,39.970605502889946]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28553638809852,39.964324599420905]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29118167940193,39.96164214074116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0254","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.2,888.7 52.1,856.2 -0.0,804.5 -0.0,585.5 91.4,490.8 107.7,55.5 -0.0,54.8 -0.0,0.0 1275.0,0.0 1273.2,59.6 1326.5,59.2 1326.0,367.0 1393.0,757.6 1393.0,2008.0 1212.6,2008.0 1143.7,1939.6 1124.0,1981.1 1040.8,1898.7 975.8,1963.6 927.6,1984.3 263.9,1977.8 270.1,1742.0 -0.0,1738.4 -0.0,1227.2 181.3,1046.5 22.2,888.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0254/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29130598899627,39.970157011426835]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28565598025304,39.97277509091388]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2807662330263,39.96648914379897]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28641624176953,39.963871064311924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p255","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0255","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1393.0,0.0 1393.0,1921.7 1319.3,2001.3 289.5,2008.0 288.0,1903.5 171.6,1905.2 140.1,864.2 -0.0,174.1 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0255/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2864013427919,39.972921078555316]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28061854587257,39.975419825553296]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2759515129917,39.968986366372256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28173430991103,39.96648761937428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p256","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0256","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"516.5,1749.6 537.4,112.9 967.7,122.2 988.2,141.5 1034.9,69.7 1094.7,128.1 1393.0,131.3 1393.0,297.1 848.9,859.3 1318.8,1308.7 1275.8,1354.0 1393.0,1468.1 1393.0,2008.0 829.0,2008.0 612.8,1920.5 676.9,1748.7 516.5,1749.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1211.0,1786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2736347,39.9629617]}},{"type":"Feature","properties":{"resourceCoords":[685.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2774119,39.9640392]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0257/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p257","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0257/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0257","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,302.4 1393.0,542.7 1348.5,541.9 1348.1,943.1 1393.0,1039.8 1393.0,1476.2 1074.9,1461.5 1073.9,1485.7 971.7,1481.3 869.0,1567.5 815.0,1474.7 29.4,1441.4 55.3,0.0 1360.6,0.0 1347.9,301.2 1393.0,302.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0257/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29399482454416,39.94806949950287]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28846005360498,39.95079671687229]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28336810691596,39.94463700011832]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28890287785514,39.9419097827489]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p258","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0258/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0258","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.7,1449.4 -0.0,924.9 -0.0,530.2 43.6,294.6 1086.5,306.1 1277.2,432.2 1393.0,1647.7 1393.0,1693.5 1393.0,1924.3 1097.2,1960.0 669.1,1988.0 170.4,1965.6 44.7,1449.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0258/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28862761637222,39.95070143518534]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28299825732462,39.95346941431176]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.27783001044682,39.94720466505476]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28345936949442,39.94443668592834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p259","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0259","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.5,99.1 185.6,0.0 1303.0,0.0 1328.0,1550.8 88.8,1587.5 88.9,1573.0 -0.0,1575.7 -0.0,104.2 185.5,99.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0259/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29804315102447,39.95305244506542]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29231079268781,39.955696105942415]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28737451071433,39.94931693413151]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29310686905099,39.94667327325451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p260","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0260","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1933.8 0.0,0.0 1384.1,0.0 1326.6,2008.0 1221.5,2008.0 1131.0,1926.4 -0.0,1933.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0260/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29284934606675,39.95573477338556]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2871965374265,39.958402778983455]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28218199434517,39.952153285239326]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28783480298542,39.94948527964143]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2850111,39.9553793]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p261","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0261/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0261","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 985.6,0.0 957.0,79.9 1393.0,77.0 1393.0,254.1 1085.0,257.9 1092.7,480.6 639.3,481.6 605.3,564.2 609.2,692.5 1118.5,694.8 1121.7,1107.5 1011.2,1111.4 986.6,1180.8 67.3,1184.2 -0.0,937.1 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0261/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29779467928164,39.93594139837307]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29204268763006,39.93854761270344]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28717759644326,39.932144921231355]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29292958809484,39.929538706900985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p262","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0262","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,718.3 344.8,711.5 350.6,497.9 -0.0,500.0 -0.0,273.0 340.4,269.2 327.9,89.3 1228.8,83.4 1130.6,893.6 1101.3,987.9 1393.0,982.9 1393.0,1529.6 1241.7,1598.5 1183.8,1487.5 999.6,1305.2 903.1,1107.6 -0.0,1138.5 -0.0,718.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0262/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2932234,39.9380579]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2875598,39.9406316]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2827212,39.93437190000001]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2883848,39.9317982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p263","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0263","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1177.7 -0.0,1094.2 -0.0,772.2 618.4,385.6 855.4,380.1 1368.0,588.0 1393.0,1643.6 1393.0,1848.3 1393.0,1851.6 550.9,1861.3 -0.0,1177.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0263/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30040344824138,39.9398480649321]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2945846722374,39.94244893925415]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28972914530466,39.93597244741177]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29554792130864,39.93337157308972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p264","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0264","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1111.8,1366.7 210.6,1361.2 227.7,686.0 1210.8,684.8 1111.8,1366.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2901293,39.9400764]}},{"type":"Feature","properties":{"resourceCoords":[221.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2921946,39.9391107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p268","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0268/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0268","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,129.2 108.3,103.9 297.2,155.6 836.3,129.0 847.6,220.4 1050.1,212.7 1087.5,2008.0 -0.0,2008.0 -0.0,129.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0268/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30783091006401,39.94157993997984]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30220284034581,39.944273117268956]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2971749275225,39.938008971473074]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3028029972407,39.93531579418396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p269","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0269","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.2,194.9 294.8,11.9 1393.0,0.0 1393.0,175.1 1060.7,168.9 1238.7,601.9 1249.3,1454.4 1376.1,1687.9 1365.9,1880.4 799.0,1854.7 856.6,1643.0 615.9,1636.4 505.7,2008.0 -0.0,1997.3 -0.0,200.9 290.2,194.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0269/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30357540301792,39.94356493281945]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29802305073346,39.9463468600246]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29282930205713,39.94016716520018]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29838165434158,39.93738523799503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p270","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0270","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.1,560.3 -0.0,126.2 436.5,131.1 437.4,0.0 1361.2,0.0 1332.4,1644.8 1300.5,1867.2 319.5,1845.1 328.3,1651.5 199.1,1417.6 182.1,560.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0270/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29923120690232,39.94555171813597]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29368379510697,39.94828632361633]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.28857824499178,39.94211230796598]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29412565678713,39.939377702485615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p271","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0271","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,1606.5 1393.0,1949.2 1292.9,1950.2 1157.8,1896.7 1041.8,1885.8 982.9,1908.6 987.0,2008.0 -0.0,2008.0 -0.0,-0.0 1393.0,0.0 1393.0,124.3 1129.2,122.5 1128.5,226.2 1268.4,240.2 1311.5,299.9 1330.9,449.8 1393.0,449.9 1393.0,920.5 1185.5,920.5 1123.5,963.2 1119.0,1609.2 1393.0,1606.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0271/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3164625434347,39.94471000233288]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31114560525812,39.94762575057806]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30570185127688,39.941708249747265]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31101878945346,39.938792501502085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p272","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0272/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0272","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,833.0 61.2,790.1 266.8,787.3 263.6,322.5 202.1,322.9 192.6,212.8 162.8,141.3 103.8,102.2 -0.0,102.7 0.0,0.0 1284.5,0.0 1388.3,239.1 929.0,310.7 863.2,305.2 862.7,323.0 1230.4,264.3 1227.6,281.0 1393.0,309.2 1393.0,1727.8 1230.5,1729.7 1219.4,1913.5 723.8,1905.6 717.6,1813.2 273.8,1808.0 271.4,1468.5 -0.0,1473.1 -0.0,833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0272/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31182014221123,39.94671257439432]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30642746727,39.94962675746266]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30098653060377,39.943625080904305]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.306379205545,39.94071089783596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p273","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"31"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0273/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0273","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"355.1,290.5 1310.4,391.3 1315.2,186.1 1393.0,187.0 1393.0,1693.4 1318.2,1695.0 1316.5,1825.6 1214.9,1826.7 1210.9,1651.5 276.3,1683.1 191.6,215.9 204.1,243.7 355.1,290.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1123.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3020314,39.9507473]}},{"type":"Feature","properties":{"resourceCoords":[930.0,941.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3009362,39.9480257]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p274","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0274/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0274","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1063.8,241.8 1056.8,1601.8 306.1,1620.3 293.4,234.4 1063.8,241.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0274/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30240588780568,39.95107120220758]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29673977360157,39.95371486121801]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29180363167316,39.94740923378675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29746974587727,39.94476557477632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p276","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0276/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0276","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.4,0.0 762.0,47.8 1033.2,42.6 900.5,1651.5 914.5,1671.2 -0.0,1748.5 0.0,-0.0 762.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0276/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3146145247842,39.953024679747685]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30887606106828,39.955598320875666]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30407052549195,39.94921234879519]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30980898920788,39.94663870766721]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0277/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p277","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0277/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0277","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.5,2008.0 -0.0,2008.0 -0.0,1991.0 153.4,1946.0 -0.0,1707.8 -0.0,70.0 834.3,0.0 1371.1,0.0 1377.5,815.8 1393.0,814.3 1393.0,1911.3 1370.0,1913.5 1357.5,1794.8 1279.6,1802.1 1296.4,2008.0 329.6,2008.0 173.5,1977.1 158.6,1954.0 167.5,2008.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0277/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.0,1013.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3048123,39.952991]}},{"type":"Feature","properties":{"resourceCoords":[198.0,1679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.306129,39.9498286]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0278__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p278 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5572.0"},{"label":"split_canvas_h","value":"4343.6"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0278__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0278","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"411.7,0.0 311.4,1080.3 1057.4,1084.2 1057.6,961.6 1244.5,955.6 1244.8,855.5 1393.0,854.8 1393.0,0.0 411.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0278__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[581.0,964.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2997311,39.9518198]}},{"type":"Feature","properties":{"resourceCoords":[954.0,964.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2982033,39.9525173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0281/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1922 | sanborn07616_002 p281","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T21:14:32Z","modified":"2026-09-21T21:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0281/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0281","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.0,0.0 1393.0,1372.6 878.4,1415.6 878.9,986.9 597.0,984.3 15.4,1030.7 13.8,1005.4 -0.0,1006.4 0.0,0.0 1393.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616192202:07616_02_1922-0281/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[881.0,1516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3024254,39.9538913]}},{"type":"Feature","properties":{"resourceCoords":[132.0,1516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3084944,39.9516224]}}]}}]}