{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06577_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Akron, Ohio | 1940 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"99"},{"label":"placed","value":"74"},{"label":"unplaced","value":"25"},{"label":"fit sources","value":"georef-snap 36, georef 32, snap:0 4, georef-street 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p0__1 (tier 1, 41.08069,-81.51987 +/-289m); p0__2 (tier 1, 41.07775,-81.52325 +/-100m); p10__2 (tier 1, 41.08101,-81.51632 +/-100m); p12__2 (tier 1, 41.07643,-81.51895 +/-100m); p16__2 (tier 1, 41.07512,-81.52163 +/-100m); p17__2 (tier 1, 41.07719,-81.52747 +/-100m); p21 (tier 2, 41.06736,-81.53074 +/-890m); p29 (tier 2, 41.06992,-81.52065 +/-666m); p31 (tier 1, 41.06917,-81.51930 +/-256m); p37 (tier 2, 41.07561,-81.51976 +/-137m); p39__2 (tier 1, 41.07278,-81.51707 +/-249m); p4 (tier 1, 41.07728,-81.51646 +/-127m); p41 (tier 1, 41.07869,-81.51451 +/-101m); p43 (tier 2, 41.07598,-81.51289 +/-100m); p49 (tier 1, 41.07867,-81.50823 +/-260m); p60__2 (tier 1, 41.08680,-81.52258 +/-100m); p64 (tier 1, 41.08195,-81.52019 +/-267m); p66 (tier 1, 41.08155,-81.52390 +/-243m); p70 (tier 2, 41.07968,-81.53083 +/-425m); p78 (tier 2, 41.07362,-81.53968 +/-1280m); p79 (tier 1, 41.07432,-81.54031 +/-240m); p80 (tier 2, 41.07826,-81.52762 +/-1130m); p83 (tier 2, 41.07245,-81.53489 +/-393m); p86 (tier 1, 41.06949,-81.53667 +/-503m); p89 (tier 2, 41.06693,-81.53204 +/-398m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0001","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.7,1120.7 446.7,671.9 758.9,447.3 794.8,487.3 867.3,458.7 868.8,569.7 1074.0,788.5 1138.2,926.8 1148.0,1545.0 296.7,1532.6 -0.0,1474.1 7.7,1120.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1148.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5168127,41.0851193]}},{"type":"Feature","properties":{"resourceCoords":[694.0,315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5169319,41.0875127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p10 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0010","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1075.2,1744.8 1043.7,156.7 499.2,253.9 518.5,1745.3 1075.2,1744.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5181217,41.0810176]}},{"type":"Feature","properties":{"resourceCoords":[806.0,1745.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5199149,41.0785584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0011","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.3,1827.1 194.4,224.4 1150.5,50.1 1510.5,684.2 1612.0,626.6 1612.0,1515.5 804.0,1530.6 806.7,1810.2 217.3,1827.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51771675024597,41.08140457707467]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51435372515509,41.08000994905009]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51657495696449,41.07692329316803]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51993798205537,41.078317921192614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p12 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0012","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"606.0,276.6 25.0,282.4 31.9,1365.3 305.8,1361.5 307.3,1678.9 722.5,1681.2 726.2,1949.0 917.0,1949.0 1606.8,1949.0 1611.0,1662.7 1454.8,1665.7 1353.8,1477.6 1575.9,1361.4 1470.4,655.4 1612.0,581.9 1612.0,441.5 1382.9,0.0 1306.0,0.0 605.8,0.0 606.0,276.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[32.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5201725,41.0771105]}},{"type":"Feature","properties":{"resourceCoords":[32.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5209024,41.0760644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p13","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0013","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1010.9,1688.2 302.0,1688.8 300.5,293.7 1006.3,286.9 1010.9,1688.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[819.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5238862,41.0801106]}},{"type":"Feature","properties":{"resourceCoords":[169.0,1687.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5268316,41.0784193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0014","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1357.2,1684.1 -0.0,1682.8 -0.0,307.4 1363.9,292.4 1357.2,1684.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52313394281434,41.08046377338557]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51965578933773,41.079074912150794]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52186780413844,41.07588254250486]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52534595761504,41.07727140373963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0015","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1075.0,289.0 1069.5,1691.2 502.1,1691.0 517.6,274.3 1075.0,289.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,1363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5211221,41.0768196]}},{"type":"Feature","properties":{"resourceCoords":[1075.0,289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5193456,41.078323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p16 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0016","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"307.0,322.0 286.7,1632.8 1403.9,1654.4 1400.5,1949.0 1604.0,1949.0 1604.0,808.0 1604.0,600.8 1485.6,333.7 1175.3,327.7 1178.2,0.0 895.3,0.0 891.0,325.0 307.0,322.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5209024,41.0760644]}},{"type":"Feature","properties":{"resourceCoords":[307.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.522117,41.076536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p17 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0017","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1575.6 1347.6,1572.1 1349.5,1326.4 1604.0,1261.3 1604.0,1001.5 1351.9,998.8 1352.7,340.6 288.8,319.9 -0.0,237.1 -0.0,1575.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[695.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.527532,41.077361]}},{"type":"Feature","properties":{"resourceCoords":[285.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5290865,41.0766947]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0018","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1233.1,981.1 278.6,1251.0 273.2,994.8 23.6,998.6 -0.0,347.6 1567.5,325.1 1568.0,974.9 1233.1,981.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52505119747912,41.07842555548258]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52166604285952,41.07702508282538]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52390760537526,41.07390247647152]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52729275999485,41.07530294912872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p19","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0019","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"579.2,1949.0 579.0,1854.5 519.3,1855.1 508.1,170.3 1604.0,178.8 1604.0,1949.0 579.2,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5244389,41.0751885]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5210447,41.0738499]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5232023,41.070740699999995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5265965,41.0720793]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0002","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1288.8,1630.9 263.0,1535.0 261.6,923.3 200.0,785.5 -0.0,567.5 -0.0,446.6 284.9,348.9 562.8,317.1 1301.8,332.2 1288.8,1630.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[782.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5155991,41.0848339]}},{"type":"Feature","properties":{"resourceCoords":[263.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5168127,41.0851193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p20","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0020","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,1399.2 639.4,1307.6 675.3,1366.3 623.7,797.1 684.4,50.5 1610.0,140.9 1610.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5265783,41.0694462]}},{"type":"Feature","properties":{"resourceCoords":[664.0,-45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5253302,41.0717712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0022","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1362.7,1047.5 1257.8,1543.6 1115.2,1949.0 196.4,1942.2 189.3,51.7 1144.5,57.3 1145.0,0.0 1470.4,0.0 1470.5,64.7 1397.1,59.1 1362.7,1047.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52964489505767,41.06612759544844]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52585941738153,41.06608546785706]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52592658249466,41.062605978644854]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52971206017081,41.06264810623624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0023","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1148.5,656.0 1181.8,1791.5 149.8,1734.8 156.4,1661.4 91.7,1660.7 87.4,1949.0 -0.0,1949.0 -0.0,0.0 32.5,-0.0 36.2,230.0 198.7,279.2 199.6,203.0 1424.6,187.3 1418.9,740.5 1148.5,656.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5222863560648,41.06625310992213]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52228583482801,41.063381180782386]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52686465666174,41.06338070168152]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52686517789853,41.06625263082126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0024","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1610.0,-0.0 1610.0,1822.4 442.4,1356.7 -0.0,1240.3 -0.0,119.3 264.2,210.3 271.9,-0.0 1610.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52354317224173,41.064210580234935]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52343031008255,41.061301393379544]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52806837833153,41.06119765134465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52818124049072,41.06410683820004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0025","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.4,1590.2 265.8,366.6 559.2,256.8 892.5,-0.0 1610.0,-0.0 1605.6,1538.5 268.4,1590.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51973295818549,41.06417782208603]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51976812999975,41.061267877490224]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5244074111209,41.06130020711973]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52437223930664,41.064210151715535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p26","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0026","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1610.0,1829.6 1610.0,1949.0 556.1,1949.0 564.0,1404.0 340.8,1096.1 219.1,807.0 205.2,586.8 264.9,0.0 1288.1,0.0 1271.2,1832.2 1610.0,1829.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1281.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5180436,41.0637079]}},{"type":"Feature","properties":{"resourceCoords":[274.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5204421,41.0617577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0027","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"323.9,862.6 192.1,862.9 189.7,684.1 326.1,684.9 329.0,229.0 1298.1,232.6 1289.1,1245.1 1610.0,1245.3 1610.0,1949.0 -0.0,1949.0 -0.0,1850.3 490.6,1849.1 490.5,1788.7 317.7,1790.4 323.9,862.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51957065528354,41.068152976810715]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51200606056305,41.068170050355626]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51197883963624,41.06121695180531]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51954343435673,41.061199878260396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0028","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"550.0,1246.4 251.7,1247.5 256.9,191.6 1033.4,186.2 1034.4,231.1 1335.5,195.2 1349.2,159.3 1364.1,119.8 1406.7,0.0 1610.0,0.0 1610.0,1949.0 575.3,1949.0 572.4,1246.3 550.0,1246.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51467202935162,41.06817882351785]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50710322365485,41.068171599298346]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50711474147012,41.06121462967577]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51468354716688,41.06122185389527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0003","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1141.2,1704.8 1066.3,1410.7 876.5,1179.3 661.5,1061.8 213.0,981.8 260.7,86.5 952.4,191.7 1612.0,154.3 1612.0,1703.8 1259.6,1066.6 1301.9,1507.7 1141.2,1704.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5198889497249,41.08618831181425]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5180798768796,41.08559784363042]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51902039834859,41.083937578502564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5208294711939,41.084528046686394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p30","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0030","type":"ImageService3","width":1610,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"291.8,-0.0 646.3,-0.0 633.9,767.0 1396.0,830.9 1377.0,1716.0 162.4,1711.9 160.9,1787.1 -0.0,1735.8 -0.0,981.2 172.5,984.5 172.5,756.8 277.4,758.8 291.8,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51868100423242,41.0662391527156]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5186186711758,41.06334278070686]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52327333743507,41.06328594043528]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52333567049169,41.06618231244402]}},{"type":"Feature","properties":{"resourceCoords":[1377.0,1716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5227259,41.0637119]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p32","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0032","type":"ImageService3","width":1593,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1848.6 0.0,0.0 1256.4,0.0 1253.2,1949.0 227.3,1949.0 227.4,1844.3 -0.0,1848.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1254.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.518019,41.067916]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5180262,41.0659221]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p33","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0033","type":"ImageService3","width":1593,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"737.2,0.0 720.7,81.0 1444.1,82.7 1444.3,1933.0 117.2,1949.0 108.6,897.5 -0.0,898.3 0.0,0.0 737.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1449.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5148256,41.069175]}},{"type":"Feature","properties":{"resourceCoords":[1449.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.514832,41.068721]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0034","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"640.4,1862.1 639.7,1949.0 52.6,1949.0 61.6,107.5 1295.0,119.5 1327.2,765.2 1419.5,1017.2 1462.6,1852.6 640.4,1862.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5149610829696,41.070857833605075]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51120163668374,41.07084148709755]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51122814475212,41.06732723729594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.514987591038,41.06734358380346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p35","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0035","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.9,969.7 -0.0,695.8 49.9,29.9 937.1,135.9 796.5,1170.0 1583.0,1251.6 1583.0,1396.7 1522.5,1514.6 1583.0,1522.3 1583.0,1592.0 1488.7,1580.6 1299.7,1949.0 700.5,1949.0 709.1,1859.9 -0.0,1781.1 58.9,969.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1430.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.50816,41.067958]}},{"type":"Feature","properties":{"resourceCoords":[888.0,478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5097803,41.070009]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p36","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0036","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"830.5,1949.0 930.4,1680.1 71.8,1699.7 82.2,104.9 632.4,368.8 1390.8,366.8 1272.6,678.0 1266.0,698.2 1583.0,697.7 1583.0,1949.0 830.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[561.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5086212,41.070012]}},{"type":"Feature","properties":{"resourceCoords":[561.0,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.508634,41.0687765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0038","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1528.5,1438.7 -0.0,1403.2 -0.0,968.6 393.2,248.7 1544.2,882.1 1528.5,1438.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5134401947915,41.07316420707171]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50969389639225,41.07321521348965]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50961117965147,41.069713378914365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51335747805072,41.06966237249643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0039__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p39 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6001.2"},{"label":"split_canvas_w","value":"2297.2"},{"label":"split_canvas_h","value":"1794.8"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0039__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0039","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.4,1501.4 0.0,1500.3 -0.0,1949.0 468.0,1949.0 568.1,1949.0 568.7,1906.9 541.3,1702.0 458.4,1501.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0039__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1500.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51658212494293,41.0723297149823]}},{"type":"Feature","properties":{"resourceCoords":[574.3,1500.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51570690469373,41.07153477165489]}},{"type":"Feature","properties":{"resourceCoords":[574.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51653240808083,41.07101906401771]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51740762833003,41.071814007345125]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5170984,41.0717869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0040","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.2,1698.2 158.7,1458.5 164.4,1240.2 -0.0,1168.6 -0.0,63.7 1183.0,89.1 1170.6,931.5 1368.0,1289.0 170.3,1867.5 149.8,1787.7 -0.0,1860.6 -0.0,1659.7 88.2,1698.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5149160416532,41.07382755094446]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51155501794085,41.07255103908228]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51362513283082,41.06940934545778]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51698615654317,41.07068585731996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0042","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1185.4,1949.0 962.8,1807.7 890.9,1949.0 675.5,1949.0 678.1,1694.3 -0.0,1455.3 19.4,-0.0 1242.3,-0.0 1239.7,199.9 1583.0,204.5 1583.0,671.2 1541.5,751.1 1583.0,772.3 1583.0,1949.0 1185.4,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51322823556197,41.07651803992813]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51319730866395,41.073661119655476]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51783060979312,41.073632212470294]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51786153669114,41.07648913274295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p44","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0044","type":"ImageService3","width":1603,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"591.6,273.8 591.1,246.2 1499.4,254.0 613.3,1949.0 -0.0,1949.0 -0.0,284.4 591.6,273.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,1162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.511858,41.0724717]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5097482,41.071629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0045","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.0,1949.0 -0.0,1949.0 -0.0,-0.0 1604.0,0.0 1604.0,1949.0 27.6,1949.0 27.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50984309121866,41.076737578686384]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5060337569069,41.07677491163541]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50597400368737,41.07326096609887]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50978333799912,41.073223633149844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0046","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1359.0,1618.2 596.2,1619.0 43.4,1354.5 50.7,469.8 1604.0,440.2 1604.0,1949.0 1232.8,1949.0 1359.0,1618.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50983136260498,41.0740719590774]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50602157082564,41.07405417952669]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50605002673045,41.07053967122597]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5098598185098,41.07055745077668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0047","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.0,1356.7 1604.0,1949.0 -0.0,1949.0 315.3,1011.9 893.9,-0.0 1604.0,-0.0 1604.0,186.1 1498.8,183.8 1480.9,1288.6 1604.0,1356.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51079756168517,41.08195159194602]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51073525797105,41.079071609153914]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51534519577311,41.07901414146735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51540749948722,41.081894124259456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0048","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.0,1949.0 418.1,1949.0 182.2,1821.1 172.7,1341.8 88.2,1297.0 47.1,1275.5 43.4,160.4 149.5,160.6 146.3,-0.0 1604.0,-0.0 1604.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51079766911481,41.079331191967036]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51080990282905,41.07647696014106]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51537849105661,41.07648824459402]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51536625734236,41.079342476419995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0005","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1040.5,1190.7 -0.0,1177.2 -0.0,211.0 1056.2,228.7 1040.5,1190.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51785853610964,41.08579518976511]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51416489869578,41.08493499682763]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5155350269471,41.08154513095213]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51922866436097,41.08240532388961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0050","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"651.8,1949.0 -0.0,1949.0 -0.0,1808.0 443.9,1814.7 466.7,724.1 386.3,678.5 692.1,151.2 1130.5,398.9 1300.7,115.8 1247.5,89.0 1299.1,0.0 1604.0,0.0 1604.0,1949.0 1467.0,1949.0 1466.8,1742.6 651.6,1743.6 651.8,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5129834272665,41.08289576484904]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50548786315858,41.08296241690032]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50538117597351,41.07604855760989]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51287674008144,41.075981905558606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0051","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1394.2,24.0 1394.1,0.0 1395.1,0.0 1390.8,869.8 1604.0,870.9 1604.0,926.8 1388.2,924.3 1381.7,1887.9 186.0,1871.2 188.9,895.0 78.5,264.5 1394.2,24.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51526555853968,41.081831707494025]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51343401116213,41.08437723262084]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50935932523535,41.0826878953779]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5111908726129,41.08014237025109]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p52","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0052","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"520.0,819.1 377.9,455.6 552.1,358.9 1393.1,324.6 1275.0,347.0 1276.6,1308.5 1604.0,1324.6 1574.2,1356.0 1275.4,1355.5 1302.5,1817.5 548.2,1847.9 520.0,819.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1275.0,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5164198,41.088774]}},{"type":"Feature","properties":{"resourceCoords":[1276.0,1332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5141508,41.0882215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p53","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0053","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.0,38.6 1604.0,744.6 1501.7,743.1 1545.0,1587.0 46.2,1587.0 53.5,341.1 1604.0,38.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[359.0,1587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5114961,41.0837834]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,1587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.51012,41.085673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0054","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.6,1949.0 17.1,0.0 1529.2,0.0 1562.8,1949.0 933.0,1949.0 872.7,1844.5 671.2,1844.0 677.6,1949.0 30.6,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51176815355727,41.08320647582462]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50989543442171,41.08573898968309]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50584149246785,41.08401171302906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50771421160341,41.08147919917059]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0055","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.7,293.9 1387.1,149.8 1419.0,0.0 1604.0,0.0 1604.0,1949.0 1518.4,1949.0 1526.0,1186.4 1378.0,1185.0 1369.2,1895.8 1249.0,1892.6 1209.8,1866.7 1093.2,1361.3 1088.4,1182.0 639.2,1177.5 702.8,1305.3 409.2,1449.1 270.4,1429.6 341.4,1080.1 591.4,1071.6 580.8,836.9 731.6,839.7 746.3,831.6 753.2,824.0 581.8,813.0 587.4,324.9 766.7,293.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51872235706693,41.08708888884316]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51647589769789,41.09263397461782]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50759885223944,41.09056214831188]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50984531160849,41.085017062537226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0056","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1653.3 50.8,1663.8 231.8,701.8 0.0,654.1 0.0,622.8 236.8,669.9 296.4,245.7 486.4,274.7 779.5,127.5 714.4,0.0 1165.0,0.0 1171.6,179.8 1293.7,685.5 1333.2,711.1 1453.8,713.1 1455.5,0.0 1604.0,0.0 1604.0,1949.0 0.0,1949.0 0.0,1653.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0056/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51349349411659,41.08559263996517]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51118131020291,41.09110326733412]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50235964082908,41.08897077443514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.50467182474276,41.08346014706619]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0057","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.1,1588.6 -0.0,1583.5 -0.0,-0.0 1085.0,0.0 1392.5,653.8 1459.4,937.9 563.4,941.8 566.4,1653.8 482.6,1643.0 483.1,1588.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52059253386227,41.09362443834986]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51394695415412,41.09081634185919]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51844241666724,41.08468740047381]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52508799637539,41.087495496964486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0058","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.4,1005.5 222.8,0.0 1604.0,0.0 1604.0,1738.1 1273.3,1816.3 1157.3,1903.6 881.6,1640.6 365.1,1295.0 21.4,1351.8 0.0,997.8 65.4,1005.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5223232394133,41.08706997276658]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52043073925276,41.089676686188774]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51625777579873,41.0879312676589]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51815027595927,41.085324554236706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0059","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.0,144.7 1604.0,1296.4 1123.8,1679.9 894.9,1798.9 717.7,1833.1 797.8,1949.0 467.9,1949.0 349.2,1829.5 -0.0,1810.3 -0.0,0.0 1301.9,0.0 1302.0,109.0 1604.0,144.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52493305024072,41.08894303136761]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52163368123587,41.08751382282765]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52392160682597,41.08447083967944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52722097583082,41.0859000482194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0006","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.0,1722.0 320.9,1731.9 313.0,200.9 1244.8,371.6 1245.0,1722.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[313.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5155991,41.0848339]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.514623,41.081727]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p60 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0060__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0060","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"399.4,455.4 348.6,1618.8 445.0,1549.5 404.1,1485.8 1307.6,904.5 1305.7,633.0 399.4,455.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5217929,41.086499]}},{"type":"Feature","properties":{"resourceCoords":[97.0,404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5223827,41.0876128]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0061","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,10.9 158.1,80.3 403.0,111.2 1604.0,19.8 1604.0,738.8 1223.3,1153.0 924.8,1345.5 1123.7,1310.8 1604.0,997.6 1604.0,1491.8 1119.5,1816.8 828.1,1949.0 -0.0,1949.0 -0.0,10.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52561099445343,41.08546186557914]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52165521205751,41.0857210414288]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.521240332169,41.08207249823557]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52519611456492,41.08181332238591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0062","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.8,1583.0 514.5,1063.7 -0.0,1389.0 -0.0,1299.4 494.4,816.7 518.1,783.4 527.7,47.7 -0.0,75.0 -0.0,-0.0 1353.3,0.0 1150.3,328.6 1333.8,477.4 1401.8,584.7 1430.0,737.4 1390.1,889.6 1512.5,840.5 1604.0,629.7 1604.0,1403.5 1375.5,1949.0 805.1,1949.0 647.8,1848.6 434.8,1938.9 -0.0,1949.0 -0.0,1914.5 507.8,1583.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52289677683068,41.08565519205116]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51913675826613,41.08593881645807]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.51868274371684,41.08247081900508]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52244276228139,41.08218719459818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p63","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0063","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1242.3,1743.0 315.6,1743.5 317.3,1598.8 -0.0,1593.3 -0.0,1094.8 649.2,689.1 833.9,409.7 836.9,403.9 855.5,433.0 1213.6,190.7 1342.9,0.0 1557.0,0.0 1604.0,69.7 1604.0,710.8 1380.7,911.9 1242.3,1743.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,1743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.52526,41.080644]}},{"type":"Feature","properties":{"resourceCoords":[1242.0,1743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5230369,41.0797891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0065","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1147.9 -0.0,-0.0 115.6,0.0 191.4,52.8 416.5,337.2 519.6,0.0 1604.0,0.0 1604.0,1949.0 96.4,1949.0 103.0,1429.2 179.8,1146.4 0.0,1147.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53085874918403,41.079831570856214]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52903196812618,41.08245419070233]}},{"type":"Feature","properties":{"resourceCoords":[1604.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52483399656126,41.080769200807]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52666077761911,41.07814658096088]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p67","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0067","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,282.9 330.9,266.6 440.6,145.0 1098.1,228.8 1379.9,214.8 1571.5,371.1 1528.6,421.8 1604.0,1354.7 1604.0,1454.7 77.1,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1098.0,1605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.531739,41.081768]}},{"type":"Feature","properties":{"resourceCoords":[104.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5336625,41.0851165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p68","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0068","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1146.0,1298.3 991.9,1869.8 667.0,1793.3 535.0,1583.2 -0.0,1825.5 -0.0,196.7 53.3,194.3 55.0,-0.0 1604.0,-0.0 1604.0,80.5 1120.5,408.1 1515.8,1007.6 1085.7,1282.8 1146.0,1298.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[47.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.53583,41.084779]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.533629,41.083154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p69","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0069","type":"ImageService3","width":1604,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1417.2,1339.2 1319.6,1438.2 1378.7,1709.4 1469.2,1949.0 1055.7,1949.0 985.8,1782.7 900.5,1814.4 839.2,1865.3 495.3,1508.4 690.6,1318.1 87.8,691.3 310.0,494.6 289.0,471.4 545.0,475.0 545.0,115.0 837.8,111.3 860.0,77.6 814.2,47.5 1054.0,113.3 1604.0,111.5 1604.0,288.6 1589.4,309.4 1604.0,357.6 1604.0,1540.3 1417.2,1339.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[545.0,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.534834,41.082231]}},{"type":"Feature","properties":{"resourceCoords":[545.0,115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.533629,41.083154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0007","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1521.2 -0.0,884.8 246.7,776.8 236.6,180.6 157.9,0.0 1294.8,0.0 1295.2,559.0 1183.9,1392.5 253.5,1395.7 -0.0,1521.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5172794,41.0823692]}},{"type":"Feature","properties":{"resourceCoords":[617.0,1385.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.518831,41.081203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p71","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0071","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1559.0,0.0 1562.5,108.0 1588.3,167.9 1595.9,244.9 1588.4,440.7 1210.6,797.5 1195.5,1694.8 1296.5,1805.3 1192.0,1902.5 1191.9,1904.5 1146.3,1949.0 1034.4,1949.0 960.6,1762.1 828.1,1788.2 642.9,1769.0 511.3,1715.3 365.9,1577.8 193.5,1735.7 311.4,1949.0 -0.0,1949.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0071/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54968186101053,41.08505920456033]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5421113234591,41.08506616893119]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54210020326616,41.07810073984914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54967074081759,41.07809377547828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p72","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0072","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.2,1455.2 896.8,1462.7 897.7,1949.0 -0.0,1949.0 -0.0,1876.5 101.3,1778.3 -0.0,1670.3 -0.0,779.8 366.3,419.7 370.4,225.2 361.7,149.0 335.2,90.0 330.9,0.0 1608.0,0.0 1608.0,37.0 1344.1,97.7 1522.4,331.6 1434.7,419.5 1437.2,1455.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1165.0,851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.538417,41.081893]}},{"type":"Feature","properties":{"resourceCoords":[1165.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.538462,41.079707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p73","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0073","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.1,558.4 8.3,347.1 177.6,189.0 322.0,324.8 493.0,387.4 635.2,395.2 765.9,368.4 840.3,553.8 946.2,553.1 995.2,506.6 994.5,579.2 1608.0,585.5 1608.0,1161.5 1447.2,1164.1 1447.0,1391.8 1196.4,1392.3 1195.7,1452.2 950.3,1450.7 949.3,1772.0 700.5,1772.6 701.0,1863.0 204.2,1860.5 215.6,1949.0 -0.0,1949.0 -0.0,559.2 126.1,558.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[701.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.545479,41.075839]}},{"type":"Feature","properties":{"resourceCoords":[701.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.545496,41.0733946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0074","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.6,1729.2 344.4,1630.4 95.0,1624.6 100.2,1324.0 262.3,1324.0 271.1,747.6 559.2,755.0 570.8,267.5 841.7,269.7 831.4,766.0 911.5,773.5 994.8,811.6 954.6,898.6 930.5,963.0 925.7,978.7 1220.0,1272.1 1326.8,1038.6 1478.5,805.0 1608.0,805.8 1608.0,1949.0 852.6,1949.0 860.0,1642.4 555.9,1635.3 554.6,1736.3 342.6,1729.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0074/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54245751976141,41.080645230522485]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53484909962957,41.080703437546426]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53475616514265,41.07370268761667]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5423645852745,41.073644480592726]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0075","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1653.3 -0.0,-0.0 273.2,0.0 272.8,175.3 491.4,182.7 479.2,87.0 981.0,90.7 980.7,0.0 1232.1,0.0 1232.4,366.9 1425.2,901.5 1494.5,978.5 1492.3,1248.9 1522.8,1249.4 1516.9,1845.3 1095.1,1840.7 1095.0,1734.7 216.2,1726.6 186.1,1800.9 178.1,1949.0 9.0,1949.0 30.5,1613.6 -0.0,1653.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0075/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55012611410058,41.07372972543208]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54253487352649,41.0737131860252]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54256127787839,41.066727504806096]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55015251845248,41.066744044212975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p76","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0076","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"713.1,119.8 714.9,0.0 1220.3,0.0 1194.6,1540.8 348.1,1844.8 208.6,1434.5 218.2,115.8 713.1,119.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0076/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54481197404573,41.07508091172641]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.541010430703,41.075072311174985]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54102416171476,41.07157418642113]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54482570505749,41.071582786972556]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p77","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0077","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.8,1335.2 -0.0,1391.0 10.5,0.0 508.3,0.0 509.4,205.2 932.4,201.5 930.4,0.0 1537.2,0.0 1536.6,612.0 1608.0,610.3 1608.0,917.1 1528.2,917.4 1550.3,1832.5 331.5,1823.2 150.8,1335.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0077/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54195542411759,41.07481331378171]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53814221652522,41.07477535991939]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53820281073355,41.071266492972605]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54201601832592,41.07130444683492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p8","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0008","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"306.9,558.6 919.7,546.8 888.1,558.0 1181.4,1381.7 207.5,1385.6 306.9,558.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.515517,41.081941]}},{"type":"Feature","properties":{"resourceCoords":[836.0,1385.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.516153,41.080522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0081","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,0.0 1550.8,0.0 1560.0,800.1 1291.5,1170.2 1095.5,1786.0 933.2,1779.9 650.0,1643.0 496.3,1838.0 524.3,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0081/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53003709854478,41.07714632730682]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52666493290319,41.075846050172984]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52874090890904,41.07274310512688]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53211307455064,41.07404338226072]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p82","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0082","type":"ImageService3","width":1608,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1177.2,1886.3 1163.8,1853.8 831.4,1848.0 814.7,1949.0 -0.0,1949.0 -0.0,879.5 98.0,804.0 218.3,904.6 296.0,927.3 465.7,653.4 640.5,507.2 765.5,0.0 1403.6,0.0 1568.6,43.4 1274.4,1169.2 1303.7,1176.6 1198.4,1594.7 1177.2,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0082/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53003470470141,41.076890816454956]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5226367270514,41.07561490090345]}},{"type":"Feature","properties":{"resourceCoords":[1608.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52467377465155,41.06880743683279]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53207175230155,41.070083352384295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p84","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0084","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1472.0,1842.3 126.0,1846.0 126.0,1259.0 -0.0,1259.5 -0.0,0.0 922.5,-0.0 1415.5,644.0 1412.5,725.8 1324.0,760.1 1598.0,887.4 1598.0,1298.1 1002.7,1293.6 1472.0,1842.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[126.0,1259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5384641,41.067054]}},{"type":"Feature","properties":{"resourceCoords":[126.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5398681,41.0670664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p85","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0085","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"263.7,1689.8 265.2,1094.3 234.9,1094.0 235.1,823.9 165.8,747.3 37.8,390.6 534.0,207.1 621.9,453.0 1229.5,459.4 1219.8,0.0 1598.0,0.0 1598.0,1630.2 1215.0,1629.6 1215.1,1693.0 263.7,1689.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[923.0,1099.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.539825,41.069195]}},{"type":"Feature","properties":{"resourceCoords":[457.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.542024,41.0705319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0087","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.8,89.2 242.4,49.5 220.2,384.9 389.3,385.3 397.6,237.2 427.9,163.0 1075.1,170.3 1079.9,1854.9 619.8,1949.0 -0.0,1949.0 -0.0,-0.0 212.1,0.0 211.8,89.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0087/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55114822644244,41.06812420565608]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54360534269196,41.06812005524877]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54361200951004,41.06113484217744]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55115489326052,41.06113899258475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p88","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0088","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1020.1,1949.0 -0.0,1949.0 -0.0,1856.2 -0.0,161.2 233.2,164.6 232.8,271.2 1004.9,283.7 1020.1,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0088/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5460757933391,41.068085420274656]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5385787804026,41.06809753970592]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53855931291554,41.06115480239375]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54605632585204,41.06114268296249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p9","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0009","type":"ImageService3","width":1612,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"348.1,937.4 563.0,738.8 554.9,114.8 508.3,47.6 743.9,0.0 829.4,492.8 1026.2,340.1 1393.7,261.2 1386.3,1739.2 223.8,1748.0 348.1,937.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1389.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5191346,41.0807869]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5230369,41.0797891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p90","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0090","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1109.7,1536.7 144.1,1549.4 147.5,1805.2 -0.0,1807.1 -0.0,0.0 122.5,-0.0 124.5,476.4 1067.3,463.2 1066.0,5.0 1598.0,176.5 1598.0,1584.9 1396.0,1587.6 1109.7,1536.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0090/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52694161926931,41.06643376812916]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52712886475628,41.06071451096915]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53631559748248,41.06088791533612]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53612835199552,41.06660717249613]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Akron, Ohio | 1940 | sanborn06577_007 p91","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"0"}],"created":"2026-09-21T16:15:39Z","modified":"2026-09-21T16:15:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0091","type":"ImageService3","width":1598,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"877.1,749.1 918.9,751.7 1254.2,505.7 1257.3,372.0 1515.3,377.9 1493.0,1358.9 1431.2,1647.8 1426.6,1853.0 1598.0,1859.2 1598.0,1949.0 -0.0,1949.0 -0.0,69.6 318.9,77.7 305.0,766.6 533.0,600.6 591.3,532.8 582.0,837.4 792.2,842.2 860.5,703.5 877.1,749.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g06577194001:06577_01_1940-0091/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5413621,41.0673276]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5338953,41.0673905]}},{"type":"Feature","properties":{"resourceCoords":[1598.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5337935,41.0605242]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5412603,41.0604613]}}]}}]}