{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03592_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cumberland, Maryland | 1921 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"90"},{"label":"placed","value":"63"},{"label":"unplaced","value":"27"},{"label":"fit sources","value":"georef 33, georef-snap 29, georef-street 3, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"17 sheet(s) cut into 37 panels"},{"label":"unplaced pages","value":"p0 (tier 3, 39.62663,-78.74820 +/-588m); p13__1 (tier 1, 39.64553,-78.76176 +/-211m); p31__1 (tier 1, 39.62408,-78.76507 +/-100m); p32__1 (tier 1, 39.62511,-78.75959 +/-100m); p42__2 (tier 2, 39.65745,-78.77010 +/-196m); p43__1 (tier 1, 39.65365,-78.74994 +/-100m); p43__3 (tier 1, 39.65384,-78.75074 +/-100m); p45__2 (tier 1, 39.66045,-78.77231 +/-100m); p47__2 (tier 1, 39.65646,-78.77508 +/-120m); p53__1 (tier 1, 39.65010,-78.76832 +/-109m); p54__1 (tier 1, 39.66705,-78.76496 +/-100m); p54__2 (tier 1, 39.62985,-78.74795 +/-100m); p54__3 (tier 1, 39.66739,-78.76587 +/-100m); p56__1 (tier 1, 39.65252,-78.77698 +/-213m); p62__1 (tier 1, 39.67042,-78.79482 +/-100m); p62__2 (tier 1, 39.67000,-78.79315 +/-105m); p63__1 (tier 1, 39.66567,-78.80111 +/-202m); p63__2 (tier 1, 39.66460,-78.80200 +/-205m); p64__1 (tier 1, 39.66072,-78.80467 +/-218m); p64__2 (tier 1, 39.66220,-78.80410 +/-215m); p65__1 (tier 4, 39.64747,-78.76412 +/-2706m); p65__2 (tier 4, 39.64747,-78.76412 +/-2706m); p9__2 (tier 2, 39.65650,-78.75087 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.0,797.5 -0.0,539.7 0.0,-0.0 794.0,0.0 792.4,49.9 989.3,53.2 1520.0,0.0 1560.0,153.6 1613.0,122.7 1613.0,1882.1 832.6,1823.0 463.3,1866.4 442.6,1712.8 -0.0,1637.0 -0.0,1029.0 113.5,828.6 66.6,801.1 43.0,797.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76552683486311,39.65213004189637]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76204142529957,39.65328716204774]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76027153745756,39.65008201665585]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7637569470211,39.64892489650448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p10","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.0,1440.5 151.1,1145.8 -0.0,943.7 -0.0,328.8 28.9,308.7 -0.0,267.7 -0.0,0.0 1613.0,-0.0 1613.0,1841.8 733.7,1770.2 722.1,1913.0 84.2,1913.0 84.0,1414.8 112.0,1451.6 192.0,1440.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7496985,39.6580413]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74647,39.6563721]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74904140000001,39.653424199999996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7522699,39.6550934]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.8,623.1 122.2,228.3 467.0,139.9 446.4,0.0 1613.0,0.0 1613.0,130.8 1571.3,186.8 1613.0,206.8 1613.0,350.5 1481.7,338.4 1416.2,1046.9 1419.5,1119.3 1342.3,1847.2 917.4,1782.6 906.1,1913.0 863.6,1913.0 691.0,1773.7 40.8,1688.9 203.8,623.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75751781244547,39.65132350832323]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75363767506718,39.65149204250615]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7533798969322,39.64792383395089]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75726003431049,39.64775529976797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p12 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4214.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1913.0 1004.8,1913.0 1006.3,786.2 1053.5,786.4 1051.4,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[121.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7537216,39.6479953]}},{"type":"Feature","properties":{"resourceCoords":[1003.5,602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7513204,39.6495517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p12 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4205.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2246.4"},{"label":"split_canvas_h","value":"3153.6"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1125.5,617.4 1122.8,786.6 1613.0,788.4 1613.0,0.0 1051.4,0.0 1053.0,616.9 1125.5,617.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75060951430449,39.654554120914554]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74850806345255,39.65326544458822]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,788.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75085399305401,39.650995956455084]}},{"type":"Feature","properties":{"resourceCoords":[1051.4,788.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75295544390595,39.65228463278142]}},{"type":"Feature","properties":{"resourceCoords":[1244.3,137.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7502957,39.653717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p12 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4019.2"},{"label":"split_canvas_y","value":"3144.8"},{"label":"split_canvas_w","value":"2432.8"},{"label":"split_canvas_h","value":"4507.2"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1705.6 1613.0,1125.6 1249.8,1128.0 1253.0,787.1 1053.5,786.4 1006.3,786.2 1005.0,1779.3 1155.3,1643.2 1244.2,1741.7 1243.5,1814.3 1613.0,1705.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.8,786.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75263163774731,39.652894107985176]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,786.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75149901153424,39.65219014591911]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75319037561643,39.65057574272203]}},{"type":"Feature","properties":{"resourceCoords":[1004.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7543230018295,39.6512797047881]}},{"type":"Feature","properties":{"resourceCoords":[1243.5,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7537303,39.6511449]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p13 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3277.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3174.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"847.0,16.8 859.0,1850.5 1531.4,1859.8 1530.9,1913.0 1559.2,1860.5 1613.0,1868.8 1599.9,328.9 1531.2,326.8 1531.2,13.6 847.0,16.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.2,1363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7675828,39.6303384]}},{"type":"Feature","properties":{"resourceCoords":[1081.2,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7668147,39.6316554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,1813.5 99.3,1493.6 -0.0,1287.3 -0.0,253.6 506.4,220.3 754.4,348.5 734.1,181.7 1171.7,157.1 1237.8,729.4 1613.0,685.9 1613.0,1913.0 1336.2,1913.0 1282.0,1836.9 1416.4,1542.5 1096.8,1467.5 1066.6,1620.5 896.4,1603.7 911.5,1510.7 577.1,1451.5 442.5,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75672097152876,39.64862608212968]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7529532602901,39.64818106336388]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75363390182233,39.64471609961783]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75740161306099,39.64516111838363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"309.0,566.1 260.1,456.1 398.8,293.0 367.6,266.7 426.3,191.8 575.5,327.8 823.1,807.5 891.1,767.0 1096.3,1225.2 1174.9,1287.9 1190.8,1323.4 1235.0,1913.0 188.0,1913.0 357.6,1736.0 362.3,1458.1 336.0,1279.8 334.8,1111.6 370.0,914.0 310.7,659.2 309.0,566.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75841817021208,39.65237360692175]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75189215021301,39.6491147165505]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75687658610323,39.6431131677444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7634026061023,39.64637205811565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"865.5,1829.8 803.6,1716.4 922.4,1662.3 897.5,1542.3 745.8,1611.7 721.6,1547.4 269.0,1641.1 364.2,1823.2 256.1,1846.3 263.5,1913.0 -0.0,1913.0 -0.0,1466.5 82.9,1138.2 -0.0,1108.3 -0.0,725.8 83.0,741.8 138.2,291.7 149.4,339.9 363.6,289.7 376.6,40.0 544.8,41.9 548.0,88.6 615.4,85.1 635.6,69.8 629.6,0.0 792.7,0.0 761.0,157.7 795.9,188.4 929.9,157.0 893.0,0.0 1613.0,0.0 1613.0,1913.0 974.3,1913.0 949.0,1790.8 865.5,1829.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75745964496234,39.646529466158704]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75034120442845,39.64431569601865]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75372686854679,39.63776881088712]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76084530908068,39.63998258102717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1447.2,1611.4 1478.8,1787.0 1165.6,1913.0 223.9,1913.0 215.1,1631.4 -0.0,1734.4 -0.0,0.0 1276.3,-0.0 1342.4,671.5 1613.0,1423.8 1613.0,1528.2 1447.2,1611.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76138417476628,39.6440898370507]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75850772489267,39.642106638114896]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76154075472944,39.63946113904252]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76441720460305,39.64144433797832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.1,1815.8 234.1,1913.0 -0.0,1913.0 -0.0,-0.0 946.2,0.0 829.2,265.2 1339.6,543.0 1359.4,1860.5 352.6,1863.0 351.8,1814.5 233.1,1815.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76569650283446,39.64203979644632]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76210048700385,39.64123779137799]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76332701383701,39.637930420795705]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76692302966762,39.638732425864035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"348.3,0.0 348.6,48.1 1564.8,56.3 1573.3,671.8 1613.0,671.5 1613.0,1913.0 1516.4,1874.1 1506.9,1913.0 735.1,1913.0 462.4,1480.6 582.9,1472.7 362.0,1432.7 272.2,1913.0 -0.0,1913.0 -0.0,94.0 230.3,96.5 230.3,0.0 348.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76685952331708,39.638895427791546]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76322976498611,39.63811889984153]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76441726922614,39.63478032713077]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76804702755712,39.635556855080786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p2","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.3,285.5 1525.7,759.4 1613.0,878.8 1613.0,1913.0 1176.5,1913.0 1217.2,1828.2 423.9,1846.7 237.1,95.0 190.1,137.6 138.3,0.0 1454.8,0.0 1506.8,215.2 1565.0,301.9 1512.3,285.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[965.0,1412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.759377,39.6511767]}},{"type":"Feature","properties":{"resourceCoords":[965.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7590862,39.6504418]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p20","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.1,0.0 103.5,28.2 438.0,392.6 1168.2,259.5 1127.9,983.8 1613.0,1106.8 1613.0,1913.0 1545.2,1913.0 1536.2,1604.3 861.7,1627.2 871.9,1913.0 -0.0,1913.0 -0.0,-0.0 216.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1092.0,1621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7662642,39.6326022]}},{"type":"Feature","properties":{"resourceCoords":[815.0,363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7655375,39.6349453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p21","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.9,1301.7 -0.0,1300.3 -0.0,-0.0 354.1,145.3 693.8,173.7 744.1,0.0 1493.9,60.1 1497.2,1913.0 924.9,1913.0 924.6,1488.3 711.4,1500.7 708.6,1913.0 214.7,1913.0 212.9,1301.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[216.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7635448,39.6375317]}},{"type":"Feature","properties":{"resourceCoords":[1497.0,1285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7604294,39.6374645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p22","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.9,412.0 680.6,418.0 688.9,0.0 900.2,0.0 894.9,420.9 1462.1,428.5 1447.3,1561.9 214.3,1525.2 233.9,412.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[185.0,882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.764037,39.6361322]}},{"type":"Feature","properties":{"resourceCoords":[1070.0,1185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7621689,39.6351903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"442.9,1002.5 71.5,822.7 265.1,0.0 1575.0,0.0 1585.5,931.8 1481.0,1298.4 442.9,1002.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76513649712042,39.635147238805494]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76143141600268,39.6343282435456]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76268379318996,39.63092019975808]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76638887430771,39.63173919501797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1784.8 106.0,1751.1 222.4,399.9 445.1,398.5 331.6,0.0 1263.5,0.0 1285.0,136.7 1613.0,61.8 1613.0,308.9 1356.3,367.1 1432.3,616.2 1613.0,573.5 1613.0,1784.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75994680512618,39.640651028977544]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75620247718905,39.64013059175188]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75699837593841,39.636686730751286]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76074270387554,39.63720716797695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.8,1913.0 59.7,1913.0 73.7,87.6 1613.0,0.0 1613.0,1844.1 1481.5,1881.2 1484.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76054488412363,39.63765347937038]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75687097340641,39.63690525154792]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75801517880224,39.633526006664326]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76168908951946,39.63427423448678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.0,94.6 1584.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 23.7,181.6 1456.9,165.3 1453.2,133.4 1585.0,94.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76149404977362,39.63457590289993]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75785220309102,39.633799926611246]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75903878901391,39.63045002445083]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76268063569651,39.63122600073952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p27","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"875.6,1909.2 -0.0,1913.0 -0.0,-0.0 151.3,-0.0 263.6,449.5 1123.2,234.7 1414.9,1247.8 1417.0,1247.2 1551.0,1720.6 875.6,1909.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76875451220641,39.63394734726201]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76579647195308,39.63204358715913]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76872786495498,39.62934147445554]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77168590520832,39.63124523455842]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,1364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7688934,39.6307649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,20.4 157.7,62.3 1536.4,50.0 1536.4,103.2 1564.3,50.3 1538.2,229.8 1535.0,1495.7 1201.8,1780.2 1183.7,1913.0 52.9,1913.0 -0.0,1881.7 -0.0,20.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77035777707316,39.63043779162306]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76687081841396,39.62918709214001]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76878320986503,39.62597946277635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77227016852423,39.6272301622594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1235.0,0.0 1566.4,295.3 1547.6,1833.5 691.8,1823.3 691.5,1913.0 0.0,1913.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77110399514707,39.624623647939565]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76906046114415,39.62710144678318]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76527194541283,39.625221523941576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76731547941576,39.62274372509796]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1413.7,206.7 1613.0,843.4 1613.0,1140.3 1468.4,747.5 1332.2,803.5 1500.6,1204.1 1378.0,1258.8 1482.7,1528.1 959.4,1751.2 844.4,1913.0 336.6,1768.5 -0.0,1578.0 -0.0,1418.7 348.6,1151.3 381.2,687.9 112.5,338.9 411.7,104.6 414.0,0.0 1263.8,0.0 1413.7,206.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76686797890895,39.6546211261136]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76415331695384,39.65671549252527]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76094969827129,39.65421923832638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7636643602264,39.6521248719147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1526.7,55.1 1613.0,41.8 1600.2,1670.4 75.6,1665.3 81.0,180.6 1343.6,0.0 1526.5,0.0 1526.7,55.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76899684680815,39.626796147586965]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76691463258217,39.62927345938826]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76312674306668,39.62735801307906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76520895729266,39.62488070127777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0031__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p31 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0031__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.4,128.6 2.8,133.3 0.7,1457.9 647.2,1464.6 647.3,1913.0 1613.0,1913.0 1613.0,1548.8 1506.1,1509.5 1523.6,44.8 682.6,40.7 682.4,128.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0031__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[960.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7652374,39.6238219]}},{"type":"Feature","properties":{"resourceCoords":[406.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.76596,39.622959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0032__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p32 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0032__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1007.0,0.0 729.0,0.0 99.6,0.0 89.4,1516.6 196.9,1555.6 197.5,1661.5 317.2,1677.8 315.5,1913.0 756.0,1913.0 1004.0,1913.0 1613.0,1913.0 1613.0,0.0 1007.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7638835,39.6254388]}},{"type":"Feature","properties":{"resourceCoords":[1062.0,1550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7612363,39.6251709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1897.2 120.4,1912.2 0.0,1913.0 0.0,1897.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76833224646666,39.628285430464125]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76492332612165,39.63365106518608]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7567188160945,39.63051527849723]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76012773643951,39.62514964377527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7502785314542,39.63960708700832]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74327055929281,39.6372522330344]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74687162722363,39.63080629330257]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75387959938502,39.63316114727649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.0,862.0 243.3,867.2 172.4,155.8 1110.9,0.0 1613.0,0.0 1613.0,1068.2 1236.3,1175.0 1269.8,1366.8 1220.0,1381.4 1280.5,1594.4 1121.4,1410.4 48.4,1726.1 23.2,1622.5 192.6,1191.3 233.8,1226.5 238.8,907.5 133.0,862.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.761112992035,39.65489156274137]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75815054256425,39.65682675585812]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7551903968313,39.65410265379725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75815284630204,39.6521674606805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.7,1613.8 0.0,-0.0 1197.0,0.0 1202.2,118.2 1613.0,51.3 1613.0,997.0 1242.1,1034.5 1266.5,1596.0 671.5,1878.8 494.8,1913.0 194.1,1894.3 126.7,1613.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7656706464137,39.656389519883525]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76334079346977,39.658750714045226]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7597289130701,39.65660837573091]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76205876601404,39.65424718156921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p37 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3972.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1913.0 423.2,1913.0 420.3,1810.0 761.2,1836.0 988.9,838.7 993.0,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[415.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7563487,39.663289]}},{"type":"Feature","properties":{"resourceCoords":[415.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7569395,39.6625773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p37 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"2974.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3477.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,45.8 1213.0,0.0 1212.0,104.3 992.5,96.0 988.9,838.7 743.7,1913.0 892.0,1913.0 964.9,1913.0 967.0,1792.3 1281.0,1800.0 1289.2,1913.0 1327.8,1913.0 1320.6,1854.0 1613.0,1865.4 1613.0,45.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0037__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1443.1,449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7572472,39.6613511]}},{"type":"Feature","properties":{"resourceCoords":[1320.2,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7591846,39.6592539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0038","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"718.7,1913.0 626.2,1683.6 582.2,1798.4 570.6,1736.4 -0.0,1703.7 -0.0,0.0 318.1,0.0 328.6,113.8 367.6,112.8 359.3,53.5 655.6,57.9 654.6,0.0 1613.0,0.0 1613.0,1019.0 1438.4,961.5 1220.7,1810.6 896.8,1758.9 894.9,1688.3 859.9,1675.1 803.5,1913.0 718.7,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75983399216594,39.65967806732776]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7566238273799,39.65814432829149]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75896999353883,39.65519256697636]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76218015832487,39.65672630601263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p39","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"365.6,0.0 1508.7,0.0 1461.5,1542.5 1052.9,1461.0 999.0,1775.5 379.8,1562.3 524.3,1179.0 428.5,183.6 365.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[921.0,791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7672953,39.65672]}},{"type":"Feature","properties":{"resourceCoords":[921.0,1349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7660605,39.6562576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p4","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"5"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1076.3,1867.1 929.2,1807.3 426.6,951.6 547.3,920.2 446.3,741.0 323.8,781.3 -0.0,235.4 -0.0,99.6 186.5,301.0 274.2,268.0 225.3,-0.0 279.7,-0.0 309.6,72.3 664.9,-0.0 808.6,664.0 1613.0,537.2 1613.0,676.0 1147.0,1913.0 1088.7,1913.0 1076.3,1867.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[662.0,-13.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7596076,39.6557397]}},{"type":"Feature","properties":{"resourceCoords":[1433.0,-170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7583453,39.6548995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0040","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,80.0 591.3,65.2 590.4,0.0 958.1,0.0 1498.7,82.7 1573.5,942.3 1613.0,944.1 1613.0,1913.0 827.4,1913.0 841.1,1797.5 96.3,1676.3 78.2,80.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76873402239187,39.65834268163506]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76689245316877,39.661008716643664]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76281410740377,39.65931542775425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76465567662687,39.65664939274565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p41","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0041","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.7,1777.5 135.9,1261.1 378.0,1230.4 255.1,348.6 290.2,154.0 271.4,0.0 1064.8,0.0 1019.7,377.9 1553.7,441.7 1444.2,920.2 1415.8,1297.7 1482.5,1302.1 1458.0,1830.1 1487.0,1832.0 1483.9,1913.0 223.9,1913.0 223.3,1780.2 152.7,1777.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7698902,39.662514]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7664016,39.6613351]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7682177,39.6581499]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7717063,39.6593288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0042__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p42 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4074.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3577.6"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0042__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0042","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1368.6 756.8,1208.2 320.0,1018.6 0.0,1028.1 0.0,1363.0 -0.0,1913.0 104.0,1913.0 392.0,1913.0 609.2,1913.0 618.8,1832.5 1613.0,1707.5 1613.0,1368.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0042__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,1672.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7666649,39.660963]}},{"type":"Feature","properties":{"resourceCoords":[348.0,1672.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7671626,39.6611888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0043__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p43 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0043__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0043","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.8,0.0 470.4,0.0 471.0,670.5 0.0,673.2 0.0,1003.9 497.4,1045.3 474.8,1301.5 0.0,1273.3 -0.0,1913.0 1550.9,1905.8 1563.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0043__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1563.0,1676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7736715,39.6609959]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7725821,39.6637388]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0044","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.3,117.0 -0.0,117.0 -0.0,-0.0 1613.0,0.0 1613.0,758.3 1554.6,921.0 1569.8,1804.9 52.8,1804.2 61.3,117.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77255479937814,39.66418762574685]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76890648167294,39.663330971259064]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77021699726959,39.65997655189419]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77386531497478,39.66083320638197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0045__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p45 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"32"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0045__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0045","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1111.2,0.0 290.9,0.0 259.6,313.8 0.0,293.1 0.0,1913.0 1004.1,1913.0 1007.4,1835.6 1573.1,1820.0 1418.9,432.3 1162.7,438.0 1111.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0045__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1526.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7716769,39.6605239]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7707934,39.6603148]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p46","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"31"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0046","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.1,1561.0 128.0,0.0 1613.0,0.0 1613.0,1888.1 1160.5,1788.0 998.5,1913.0 768.2,1913.0 767.5,1757.1 91.0,1760.0 91.0,1560.8 118.1,1561.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1438.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7741637,39.6565055]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7707357,39.6536683]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p47 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0047__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0047","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1834.1 95.2,1833.0 196.7,1913.0 803.9,1913.0 1234.8,647.5 1263.1,571.0 1602.6,571.0 1613.0,527.3 1613.0,208.0 1141.1,100.0 981.2,221.6 755.1,219.9 755.5,66.8 91.3,64.8 67.5,1730.7 0.0,1778.8 0.0,1834.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7681238,39.6533932]}},{"type":"Feature","properties":{"resourceCoords":[755.0,266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.770054,39.654853]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p48","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0048","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.8,1816.1 56.3,615.8 647.1,619.5 696.9,687.8 753.3,687.2 751.2,590.2 831.6,482.6 826.8,0.0 1266.0,0.0 1613.0,309.7 1613.0,923.8 1228.5,1154.2 1613.0,1749.3 1613.0,1813.7 65.8,1816.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[406.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7676772,39.6511253]}},{"type":"Feature","properties":{"resourceCoords":[61.0,1213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.768301,39.6523067]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p49","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0049","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.2,621.2 210.3,482.4 -0.0,478.1 -0.0,-0.0 1613.0,0.0 1548.5,27.1 1569.0,1825.8 19.9,1758.7 -0.0,601.9 211.2,621.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7733706,39.6516959]}},{"type":"Feature","properties":{"resourceCoords":[1207.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7721814,39.6538142]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.6,973.5 1569.2,1102.8 1537.1,1217.6 1260.7,1574.3 883.5,1913.0 -0.0,1913.0 -0.0,-0.0 707.6,0.0 752.5,145.3 1101.0,42.0 1558.6,973.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1101.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7620412,39.649673]}},{"type":"Feature","properties":{"resourceCoords":[1337.0,547.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.761203,39.648865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p50","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0050","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1475.7,44.0 1484.5,1829.1 141.9,1845.4 124.7,43.5 1475.7,44.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[803.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7699276,39.6524707]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7691128,39.6523858]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p51","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0051","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1249.3 1488.8,1576.7 1532.2,1575.1 1414.2,1818.3 1613.0,1822.2 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1549.1,68.0 1541.1,951.0 1495.2,1248.4 1613.0,1249.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.0,1589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7740303,39.6477631]}},{"type":"Feature","properties":{"resourceCoords":[864.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7737441,39.6494798]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p52","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0052","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.7,1665.5 222.5,1339.4 88.0,1336.7 137.7,1039.3 156.3,154.9 1613.0,153.9 1613.0,1913.0 -0.0,1913.0 120.8,1665.3 77.7,1665.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.0,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7714905,39.6481417]}},{"type":"Feature","properties":{"resourceCoords":[476.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7713142,39.6492335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0053__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p53 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0053__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0053","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.2,1692.1 1535.0,27.0 927.3,25.4 928.0,140.1 0.0,151.6 0.0,1234.2 845.1,1430.9 849.1,1913.0 964.9,1913.0 1325.1,1698.0 1552.2,1692.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0053__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[322.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7688752,39.6489886]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.76848,39.6512095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0055","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1575.3,0.0 1573.0,142.2 1613.0,0.0 1613.0,305.8 1570.3,305.2 1542.8,1913.0 0.0,1913.0 0.0,-0.0 1575.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78097911521832,39.64975679159925]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78042739632232,39.652684871464174]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77594870498378,39.652177517744136]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77650042387977,39.64924943787921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0056__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p56 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3185.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3266.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0056__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0056","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1481.1,1888.8 1613.0,1885.3 1613.0,0.0 952.5,0.0 946.9,699.8 954.0,714.0 946.4,764.0 940.5,1494.3 854.2,1495.4 825.7,1701.2 1495.4,1687.6 1481.1,1888.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0056__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.3,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.776184,39.6520789]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7759586,39.653177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0057","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,333.3 250.8,222.7 371.3,252.5 1288.2,184.3 1351.1,0.0 1613.0,29.2 1613.0,1079.8 1613.0,1079.8 1613.0,1913.0 1026.9,1913.0 1050.5,1741.5 309.7,1512.8 -0.0,1874.1 -0.0,333.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7849268186058,39.65140939218349]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78151212788423,39.65009368767269]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78352452716085,39.64695349142098]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78693921788242,39.64826919593178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p58","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0058","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1360.8,-0.0 1389.0,170.4 1613.0,102.3 1613.0,1913.0 -0.0,1913.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7868839,39.6494102]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7840996,39.6473756]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7872334,39.6448331]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.7900177,39.6468677]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0059","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.7,1485.1 73.5,1857.2 87.2,1913.0 0.0,1913.0 0.0,1571.4 128.6,1581.0 176.0,1328.5 0.0,1250.5 0.0,344.7 38.1,228.5 0.0,-0.0 1613.0,0.0 1613.0,1621.8 1581.7,1485.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78517236342523,39.65093400048687]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78371192609696,39.65371305495006]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.77946113730219,39.652370068406746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.78092157463047,39.64959101394356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"323.8,1405.5 406.2,1193.1 6.4,138.5 1567.9,122.3 1458.3,369.5 1224.0,603.0 1007.6,907.4 894.8,1012.7 631.4,1139.8 323.8,1405.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76215693751706,39.64991233299516]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75850818737786,39.65082668543747]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75710967677695,39.647471216704034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.76075842691615,39.64655686426172]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p60","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0060","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.9,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1612.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,446.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.782593,39.6443337]}},{"type":"Feature","properties":{"resourceCoords":[1749.0,-265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7774499,39.6458713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0061","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"721.9,1293.5 722.1,785.6 951.9,94.5 948.8,-0.0 1613.0,-0.0 1613.0,1913.0 1258.0,1913.0 1006.5,1776.4 721.9,1293.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74845379359361,39.65693738066286]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74562799216679,39.6553496886671]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.74805658619718,39.6527512397855]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75088238762402,39.65433893178127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"575.5,1896.2 122.9,1031.9 583.2,0.0 831.8,0.0 1613.0,366.6 1613.0,1376.6 1009.6,1508.4 1060.2,1643.0 575.5,1896.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7564273,39.6528331]}},{"type":"Feature","properties":{"resourceCoords":[648.0,1632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7573419,39.6512512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 193.7,1913.0 194.3,1861.0 -0.0,1840.7 -0.0,0.0 856.5,-0.0 851.2,153.4 978.2,-0.0 1107.2,-0.0 1219.2,150.9 1613.0,74.1 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75455860872401,39.65753091523718]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75136091904348,39.65585582177811]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75392322625805,39.65291542888735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.75712091593859,39.65459052234642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cumberland, Maryland | 1921 | sanborn03592_006 p9 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T01:33:57Z","modified":"2026-09-22T01:33:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.9,1872.5 1531.7,1913.0 1613.0,1913.0 1613.0,1613.6 1490.4,1391.3 1575.2,780.8 1607.2,762.4 1225.0,0.0 1084.1,0.0 1083.8,660.4 0.0,663.6 -0.0,1599.5 767.0,1710.9 740.6,1862.7 887.5,1728.4 1015.2,1746.9 1105.4,1913.0 1503.3,1913.0 1508.9,1872.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035921921:03592_1921-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1322.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7514813,39.6564851]}},{"type":"Feature","properties":{"resourceCoords":[1048.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7515986,39.6574515]}}]}}]}