{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06671_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dayton, Ohio | 1918 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"119"},{"label":"placed","value":"90"},{"label":"unplaced","value":"29"},{"label":"fit sources","value":"georef 62, georef-snap 28"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"18 sheet(s) cut into 44 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 39.75684,-84.16324 +/-4693m); p306__2 (tier 1, 39.73848,-84.18693 +/-156m); p306__3 (tier 1, 39.73901,-84.18721 +/-168m); p310__2 (tier 1, 39.73649,-84.17717 +/-100m); p310__3 (tier 1, 39.73551,-84.17659 +/-112m); p311 (tier 2, 39.75869,-84.17078 +/-2406m); p313__2 (tier 1, 39.72504,-84.17565 +/-272m); p323__2 (tier 1, 39.74133,-84.16456 +/-108m); p325__2 (tier 1, 39.74662,-84.17478 +/-100m); p327__3 (tier 1, 39.74752,-84.16724 +/-108m); p327__4 (tier 1, 39.74719,-84.16820 +/-100m); p332__2 (tier 2, 39.74572,-84.15108 +/-225m); p335__2 (tier 2, 39.74706,-84.15023 +/-188m); p335__3 (tier 1, 39.74621,-84.15169 +/-100m); p360__1 (tier 1, 39.77485,-84.15239 +/-234m); p360__2 (tier 1, 39.77380,-84.15362 +/-179m); p365__1 (tier 3, 39.77260,-84.15735 +/-570m); p365__2 (tier 1, 39.77431,-84.15589 +/-100m); p365__3 (tier 1, 39.77384,-84.15913 +/-100m); p365__4 (tier 1, 39.77355,-84.15780 +/-222m); p368 (tier 2, 39.76775,-84.17058 +/-2501m); p370__2 (tier 1, 39.77165,-84.17427 +/-124m); p372__1 (tier 1, 39.77195,-84.18384 +/-123m); p376__2 (tier 1, 39.77216,-84.17081 +/-100m); p382 (tier 2, 39.77514,-84.16801 +/-171m); p389__1 (tier 1, 39.78166,-84.16836 +/-100m); p392__1 (tier 1, 39.74004,-84.18437 +/-109m); p392__2 (tier 1, 39.73968,-84.18417 +/-100m); p392__3 (tier 1, 39.73946,-84.18440 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p301","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0301/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0301/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2232.0,6780.9 2249.6,7796.0 -0.0,7796.0 -0.0,-0.0 6588.0,0.0 6457.9,68.9 6588.0,69.0 6588.0,6811.9 2232.0,6780.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2204.0,5048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1872518,39.7428338]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,6812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.184624,39.742446]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p302","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0302/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0302/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5543.2,0.0 4303.3,5920.5 4089.3,5883.2 4034.5,6811.4 510.3,6815.7 506.2,0.0 5543.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[296.0,3680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1850057,39.7438243]}},{"type":"Feature","properties":{"resourceCoords":[296.0,6816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.184624,39.742446]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p303","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0303/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0303/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.7,7796.0 0.0,-0.0 6588.0,-0.0 6588.0,4333.9 6408.6,4317.9 6199.5,7796.0 107.7,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0303/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17786870813906,39.745993889895516]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1778555324664,39.74299317478859]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18244136026084,39.74298110175805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1824545359335,39.745981816864976]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p304","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0304/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0304/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6536.0,-0.0 6536.0,3658.7 4438.9,3896.2 4795.9,7047.2 -0.0,7596.2 446.6,3938.7 624.2,3960.5 756.8,-0.0 6536.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0304/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1780755154016,39.74333931658117]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17793290940139,39.74034520372398]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1825448596229,39.74021348699775]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1826874656231,39.74320759985494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p305","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0305/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0305/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5418.5,65.5 5327.8,7580.8 4366.9,7631.9 4369.3,7796.0 1663.8,7796.0 1270.4,48.9 5418.5,65.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0305/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18257508952289,39.74337859225081]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18197261918121,39.74038524171325]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18654699852806,39.739833167384425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18714946886973,39.74282651792198]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0306__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p306 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6536.0"},{"label":"split_canvas_h","value":"2475.6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0306__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0306/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2459.0,459.7 3480.5,487.9 3462.9,-0.0 0.0,0.0 0.0,2474.4 0.0,2475.6 2403.6,2443.9 2459.0,459.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0306__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1906741478324,39.740322293901116]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18308604525755,39.74132578874998]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,2475.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18259168249894,39.73911534337424]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2475.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19017978507378,39.73811184852537]}},{"type":"Feature","properties":{"resourceCoords":[3480.0,487.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.186536,39.740421]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p307","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0307/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0307/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,156.0 6126.7,193.0 6168.2,6827.5 6588.0,6825.3 6588.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6080.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1841535,39.7406667]}},{"type":"Feature","properties":{"resourceCoords":[6080.0,6828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.183595,39.737671]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p308","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0308/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0308/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"410.2,7748.9 416.2,6793.2 -0.0,6792.0 -0.0,260.5 3398.7,235.9 3398.4,0.0 6536.0,0.0 6536.0,6905.1 3410.6,7040.8 3413.5,7796.0 410.2,7748.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0308/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18415039860477,39.740788487793715]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18028359747758,39.74124003560521]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17958808501848,39.73766837455324]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18345488614567,39.737216826741744]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0309/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0309/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"400.9,7630.8 401.6,7796.0 -0.0,7796.0 -0.0,748.4 340.7,763.2 353.0,0.0 6375.7,0.0 6440.8,7796.0 400.9,7630.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0309/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18171983312354,39.73776585474898]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17789478996038,39.73834488903671]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17700998940661,39.73483953638814]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18083503256977,39.734260502100405]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0310__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p310 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6536.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0310__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0310/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.2,7668.8 6536.0,7552.0 6536.0,3204.4 3282.0,3204.0 3278.8,2653.2 1293.6,1756.4 1338.4,0.0 1338.0,0.0 -0.0,0.0 141.2,7668.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0310__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5052.0,7584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1742774,39.7353638]}},{"type":"Feature","properties":{"resourceCoords":[108.0,5396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1773817,39.7359349]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p312","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0312/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0312/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 6536.0,0.0 6536.0,7796.0 -0.0,7796.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0312/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19845561229803,39.725292474819405]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19468858634747,39.72510460722724]}},{"type":"Feature","properties":{"resourceCoords":[6536.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19497789032535,39.72162431549428]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19874491627591,39.72181218308645]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0313__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p313 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0313__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0313/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6588.0,7796.0 6588.0,6522.4 6417.4,4862.2 6362.9,0.0 3381.6,0.0 3373.2,2190.4 2906.8,2209.2 2908.4,3004.8 2284.4,3009.6 2284.4,4355.2 0.0,4354.4 -0.0,7796.0 6588.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0313__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6372.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.180092,39.732356]}},{"type":"Feature","properties":{"resourceCoords":[900.0,4324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.18559,39.728779]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p314 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"22"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6536.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.7,5977.8 247.5,7796.0 1712.8,7796.0 4690.4,7796.0 4688.4,7582.4 4352.8,5604.8 4349.2,5392.8 4333.2,4323.2 6536.0,4341.2 6536.0,3773.5 6123.9,3736.0 6150.4,1447.2 5610.9,1441.9 5623.3,279.0 3168.0,252.0 3166.1,359.9 141.4,229.1 140.2,312.4 -0.0,310.2 -0.0,1238.4 127.1,1240.3 108.7,5977.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3168.0,252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1771198,39.7349228]}},{"type":"Feature","properties":{"resourceCoords":[2588.0,4860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.176655,39.73072]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p314 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"4333.2"},{"label":"split_canvas_y","value":"4323.2"},{"label":"split_canvas_w","value":"2202.8"},{"label":"split_canvas_h","value":"3472.8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4862.1,7751.2 6536.0,7796.0 6536.0,4341.2 5173.1,4330.1 5168.0,4431.6 4453.1,4411.1 4416.5,5530.9 4936.2,5547.4 4862.1,7751.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0314__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5956.3,6645.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171855,39.73364]}},{"type":"Feature","properties":{"resourceCoords":[4453.1,4411.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1742774,39.7353638]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0315/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0315/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6588.0,7796.0 -0.0,7796.0 0.0,-0.0 6588.0,0.0 6588.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0315/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17516529968043,39.72569366858795]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16742800158688,39.72521667183473]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16815673058984,39.71812456649696]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17589402868339,39.71860156325018]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p316","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"20"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0316/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0316/info.json","type":"ImageService2","height":7796,"width":6536},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.7,4825.5 1099.9,4523.4 1227.4,4373.3 1264.0,3115.2 266.5,3076.5 259.9,552.4 4385.0,563.3 4383.0,131.3 5895.4,140.8 5847.7,4874.3 6536.0,4880.2 6536.0,7796.0 -0.0,7796.0 -0.0,6991.9 1780.4,7061.0 1805.1,6424.4 1675.4,5093.1 1489.7,4825.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0316/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5248.0,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.158349,39.7425849]}},{"type":"Feature","properties":{"resourceCoords":[4372.0,4880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.159675,39.739454]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p317 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3809.2"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"3986.8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5989.5,7505.4 6171.6,7501.6 6143.9,4911.1 5940.5,4913.9 5935.6,4655.1 973.5,4684.1 967.4,4982.5 794.0,4984.8 811.3,7574.0 -0.0,7582.3 -0.0,7796.0 5096.0,7796.0 5788.0,7796.0 5995.0,7796.0 5989.5,7505.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6152.0,5656.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150882,39.739809]}},{"type":"Feature","properties":{"resourceCoords":[792.0,4984.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.153977,39.740308]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p317 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"3812.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3812.0 5691.8,3809.6 5688.5,3650.5 6486.5,3626.0 6417.4,1078.1 6588.0,1072.2 6588.0,778.5 -0.0,963.1 -0.0,3812.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0317__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1160.0,1684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.157126,39.740278]}},{"type":"Feature","properties":{"resourceCoords":[4720.0,3680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15514,39.739203]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p318","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0318/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0318/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"244.7,108.3 6544.0,0.0 6544.0,7796.0 -0.0,7796.0 -0.0,5506.0 182.1,5505.5 203.4,2932.4 -0.0,2931.5 -0.0,2674.5 206.8,2677.0 244.7,108.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0318/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15086100754098,39.74147707175717]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14703621862218,39.741288932189406]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1473256546143,39.73776041564452]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15115044353311,39.737948555212284]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p319","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0319/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0319/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6588.0,7796.0 -0.0,7796.0 -0.0,-0.0 6456.6,0.0 6435.7,7315.7 6588.0,7314.4 6588.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0319/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14485936833907,39.73124224253325]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14098360223824,39.73098445452921]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.141377478717,39.72743226036047]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14525324481784,39.727690048364515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p320","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0320/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0320/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.6,7796.0 247.7,437.0 -0.0,434.7 -0.0,-0.0 6544.0,0.0 6544.0,7796.0 168.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0320/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3120.0,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.139399,39.730583]}},{"type":"Feature","properties":{"resourceCoords":[2508.0,3220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.139855,39.729649]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p321","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0321/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0321/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6588.0,7719.4 -0.0,7796.0 -0.0,1173.2 317.7,1170.6 296.0,377.9 6533.6,211.1 6588.0,7719.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3000.0,4168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.155889,39.742174]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,4168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.156929,39.742243]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0322/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p322","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0322/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0322/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5572.0,5212.0 5567.9,7796.0 202.8,7796.0 224.0,303.2 5570.2,273.9 5571.2,987.4 6544.0,986.9 6544.0,5213.9 5572.0,5212.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0322/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5572.0,5212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150722,39.741421]}},{"type":"Feature","properties":{"resourceCoords":[5572.0,1644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150563,39.743025]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0323__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p323 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0323__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0323/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6260.9,485.5 4876.2,1832.2 4418.7,1894.1 3172.5,663.9 734.0,3218.5 1312.6,3798.2 466.2,4579.9 490.3,5133.3 -0.0,5620.0 -0.0,7796.0 3985.9,7796.0 4388.9,6338.4 6266.6,7796.0 6497.0,7796.0 6260.9,485.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0323__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4388.0,6340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1655758,39.7415442]}},{"type":"Feature","properties":{"resourceCoords":[6456.0,7944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1644594,39.7407126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p324","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0324/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0324/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"710.1,1262.8 1066.3,0.0 1370.8,0.0 3188.1,1407.8 3229.9,0.0 5214.5,0.0 5238.6,2501.1 4996.8,2809.0 5794.4,3378.9 6183.9,3896.1 6544.0,6529.8 6544.0,7796.0 -0.0,7796.0 -0.0,1263.5 710.1,1262.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0324/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1660342,39.7406581]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,-200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1655758,39.7415442]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0325__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p325 [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":"6588.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0325__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0325/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3094.5,7796.0 3081.2,6427.4 6535.4,6478.2 6544.6,5415.2 6145.9,5410.7 5683.4,4697.0 6588.0,4110.8 6588.0,2920.0 5846.0,2908.4 5090.0,2178.4 5104.0,0.0 -0.0,-0.0 0.0,6596.0 0.0,6841.6 0.0,7318.4 -0.0,7796.0 3094.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0325__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3096.0,2140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1716634,39.7470588]}},{"type":"Feature","properties":{"resourceCoords":[3096.0,7672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1695326,39.7450621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p326","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0326/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0326/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6015.7,4249.4 6030.2,6522.2 2522.0,6616.4 2524.2,7430.2 1380.0,7388.9 1009.6,7796.0 -0.0,7796.0 -0.0,1426.8 2504.3,1390.0 2504.0,1264.0 2470.4,0.0 5979.8,0.0 6004.1,2657.7 6544.0,3056.9 6544.0,3682.9 6015.7,4249.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0326/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6016.0,4856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.166553,39.744776]}},{"type":"Feature","properties":{"resourceCoords":[2504.0,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1695326,39.7450621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p327 [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":"6588.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6435.8,266.7 6588.0,0.0 -0.0,11.8 1190.6,303.8 903.8,1473.8 3206.2,3949.6 3873.4,3880.0 4295.5,4341.6 4287.8,5115.6 6588.0,7593.4 6588.0,252.5 6435.8,266.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4300.0,3884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1667215,39.7455588]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.165295,39.747198]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p327 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2271.2"},{"label":"split_canvas_w","value":"1402.8"},{"label":"split_canvas_h","value":"1365.6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1103.3,3295.0 1397.3,3488.9 1350.8,2271.2 0.0,2307.6 0.0,3624.0 893.9,3609.8 1103.3,3295.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0327__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,2271.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16921910772061,39.74749250154182]}},{"type":"Feature","properties":{"resourceCoords":[1402.8,2271.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16843123673127,39.747299290341985]}},{"type":"Feature","properties":{"resourceCoords":[1402.8,3636.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1686760546997,39.74670897768338]}},{"type":"Feature","properties":{"resourceCoords":[0.0,3636.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16946392568904,39.74690218888322]}},{"type":"Feature","properties":{"resourceCoords":[-79.9,2438.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.169294,39.747431]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p328","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0328/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0328/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"720.0,7299.0 1404.4,0.0 6544.0,0.0 6544.0,439.5 5772.5,359.1 5048.8,7796.0 3012.6,7700.7 3117.5,6656.5 1567.6,7796.0 1106.6,7796.0 720.0,7299.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0328/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16604298320904,39.74713751077427]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16215148613432,39.747212176540984]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16203660992397,39.74362241817154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16592810699869,39.74354775240483]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p329","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0329/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0329/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6463.5,68.6 6488.1,7693.2 318.3,7705.2 292.0,73.9 6463.5,68.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0329/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16277366670515,39.747081799489955]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15889359487859,39.74685400092445]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15924173030828,39.74329867838292]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16312180213484,39.743526476948425]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p330","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0330/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0330/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.4,7610.0 197.9,835.8 -0.0,839.6 -0.0,-0.0 1597.0,0.0 1588.0,493.2 5085.8,561.9 5063.5,6770.1 3505.5,6841.0 3517.8,7621.6 210.4,7610.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0330/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1916.0,7616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1582512,39.7436783]}},{"type":"Feature","properties":{"resourceCoords":[6132.0,6756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.155714,39.743927]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p331","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0331/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0331/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6448.0,7106.0 -0.0,7157.3 -0.0,844.0 6588.0,817.3 6588.0,1110.2 6442.5,1110.9 6448.0,7106.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4660.0,3704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.153475,39.745341]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,7104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152588,39.743754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0332__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p332 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6544.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0332__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0332/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6544.0,0.0 4569.5,0.0 4573.4,1137.4 1447.0,1156.6 1450.1,867.7 328.4,868.0 327.6,1158.6 183.3,1158.8 174.2,7104.5 3720.4,7086.1 3721.1,7796.0 6544.0,7796.0 6544.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0332__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[176.0,3712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152436,39.745287]}},{"type":"Feature","properties":{"resourceCoords":[3732.0,1148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150232,39.746324]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0333/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p333","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0333/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0333/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5911.5,7796.0 -0.0,7796.0 0.0,-0.0 1081.7,0.0 1084.8,170.9 5792.0,56.2 5911.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0333/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15770878227222,39.75042493606136]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15390084880471,39.750148790336354]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15432289191607,39.74665973915739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15813082538358,39.74693588488239]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p334","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0334/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0334/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5809.1,7796.0 389.6,7796.0 405.9,86.9 5822.2,87.7 5809.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4204.0,2760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152273,39.748834]}},{"type":"Feature","properties":{"resourceCoords":[408.0,2760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15448,39.748962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0335__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p335 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0335__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0335/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3639.2,4408.4 5638.5,4386.5 5675.9,7796.0 6588.0,7796.0 6588.0,156.6 435.7,266.7 490.5,5614.1 3655.9,5559.9 3639.2,4408.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0335__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2804.0,5580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150232,39.746324]}},{"type":"Feature","properties":{"resourceCoords":[2076.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150386,39.748729]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p336","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0336/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0336/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"244.2,7372.2 207.1,0.0 6544.0,0.0 6544.0,7399.2 244.2,7372.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0336/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4592.0,3328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.146459,39.759901]}},{"type":"Feature","properties":{"resourceCoords":[2228.0,7376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.148032,39.758144]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p337","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0337/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0337/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1063.9,7367.1 1062.6,7196.0 -0.0,7184.2 -0.0,0.0 510.9,0.0 685.9,1480.7 5433.4,909.9 5508.1,7307.7 1063.9,7367.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0337/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1028.0,3192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15691,39.752173]}},{"type":"Feature","properties":{"resourceCoords":[3656.0,7328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15558,39.750225]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0338/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p338","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0338/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0338/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7320.1 -0.0,933.4 4495.7,421.4 6544.0,2132.3 6544.0,2450.6 5779.9,2442.3 5669.9,7336.9 -0.0,7320.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0338/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15419609027853,39.753449543937315]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15040285341426,39.75323858349196]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15072745373439,39.749739783378345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15452069059866,39.7499507438237]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p339","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0339/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0339/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6588.0,7406.8 457.6,7495.4 498.3,0.0 6588.0,0.0 6588.0,7406.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0339/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2056.0,4848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15027,39.74992]}},{"type":"Feature","properties":{"resourceCoords":[3568.0,7460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.14951,39.748684]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p340","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0340/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0340/info.json","type":"ImageService2","height":7796,"width":6496},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"288.7,7494.3 390.7,102.7 0.0,0.0 6496.0,0.0 6496.0,7796.0 231.1,7796.0 236.3,7494.4 288.7,7494.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0340/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14759615269291,39.75199694975918]}},{"type":"Feature","properties":{"resourceCoords":[6496.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14379728891404,39.75179099931969]}},{"type":"Feature","properties":{"resourceCoords":[6496.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14411651515165,39.7482610416874]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14791537893052,39.74846699212689]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p341","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0341/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0341/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2450.1 5544.5,3029.4 5594.7,3617.4 6588.0,4651.6 6588.0,7592.5 -0.0,7589.3 -0.0,2450.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0341/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15718091139061,39.75636610350172]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15335255650946,39.75646996318522]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15319381002784,39.75296251264703]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.157022164909,39.75285865296353]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p342","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0342/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0342/info.json","type":"ImageService2","height":7796,"width":6496},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3369.3,5927.5 649.0,5735.9 898.0,2817.7 -0.0,1707.3 -0.0,1119.6 6496.0,2447.3 6496.0,7796.0 4891.2,7796.0 3369.3,5927.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0342/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15397559362373,39.75559304316611]}},{"type":"Feature","properties":{"resourceCoords":[6496.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15021019104702,39.75594504360962]}},{"type":"Feature","properties":{"resourceCoords":[6496.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1496645541732,39.75244637714233]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1534299567499,39.752094376698814]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p343","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0343/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0343/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,0.0 966.2,0.0 963.7,273.9 6588.0,326.8 6555.1,2570.3 6172.2,2566.6 6119.5,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0343/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,5264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.156501,39.756384]}},{"type":"Feature","properties":{"resourceCoords":[1208.0,276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.156427,39.758652]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p344","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0344/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0344/info.json","type":"ImageService2","height":7796,"width":6496},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,2568.5 381.5,2568.4 360.7,337.6 5733.3,326.7 5775.4,5102.6 5441.8,5033.2 5441.5,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2260.0,2568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152258,39.757375]}},{"type":"Feature","properties":{"resourceCoords":[5760.0,2568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150188,39.757248]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p345","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0345/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0345/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"714.9,383.5 5823.5,385.6 5514.9,7471.8 660.1,7456.7 714.9,383.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0345/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5552.0,6648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.149831,39.756053]}},{"type":"Feature","properties":{"resourceCoords":[696.0,2680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.147319,39.758099]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p346","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0346/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0346/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"307.0,434.6 2606.7,391.3 2597.0,-0.0 6524.0,-0.0 6524.0,6035.4 2769.9,6798.2 2771.1,7796.0 -0.0,7796.0 -0.0,7459.6 69.2,7458.4 307.0,434.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0346/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14592809933824,39.75585432470677]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14623550070876,39.7528970274948]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15079998088049,39.753181424621665]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15049257950997,39.756138721833636]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0347/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p347","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0347/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0347/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6969.6 -0.0,943.7 1475.6,795.4 6548.1,825.0 6588.0,6969.5 -0.0,6969.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0347/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2600.0,3884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1549155,39.7599502]}},{"type":"Feature","properties":{"resourceCoords":[4732.0,4852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1537183,39.7594412]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0348/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p348","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0348/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0348/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.0,6912.6 161.1,0.0 6137.4,0.0 6150.4,6956.7 159.0,6912.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0348/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4632.0,6944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150098,39.758268]}},{"type":"Feature","properties":{"resourceCoords":[2180.0,2792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.151369,39.76023]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0349/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p349","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0349/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0349/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5608.4,7796.0 1082.0,7796.0 1096.1,424.4 5620.2,445.2 5608.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0349/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5608.0,4980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.155354,39.763364]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,4980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15591,39.765372]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0350/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p350","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0350/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0350/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"435.1,-0.0 6524.0,-0.0 4410.4,7477.8 5474.0,7796.0 407.0,7796.0 435.1,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0350/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4392.0,4984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.154862,39.761604]}},{"type":"Feature","properties":{"resourceCoords":[412.0,4984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.155354,39.763364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0351/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p351","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0351/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0351/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6154.6,258.5 6504.0,3845.9 6504.0,5210.6 6198.7,6867.6 1256.6,5937.7 746.3,750.1 6154.6,258.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0351/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15296638178373,39.764124998275825]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14919998133406,39.76446198180394]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14867820025718,39.76096712459004]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15244460070684,39.760630141061924]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0352/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p352","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0352/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0352/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.9,265.2 4048.6,0.0 6265.2,399.6 6339.2,0.0 6524.0,0.0 6524.0,7556.5 288.9,6429.8 502.0,5195.3 488.5,3895.3 102.9,265.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0352/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14946107282461,39.764442611859806]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14566481103617,39.76475148782942]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14518801521099,39.76123973785969]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14898427699943,39.760930861890074]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0353/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p353","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0353/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0353/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"440.0,5000.0 445.2,448.8 6255.7,443.8 6271.5,4994.8 440.0,5000.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0353/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2544.0,444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152073,39.765993]}},{"type":"Feature","properties":{"resourceCoords":[440.0,5000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152734,39.763787]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0354/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p354","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0354/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0354/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5905.1,502.2 6524.0,627.2 6524.0,5415.1 6374.6,5399.6 6259.9,5789.6 4036.5,5163.3 192.8,5027.2 187.0,498.9 5905.1,502.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0354/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4008.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.147736,39.766694]}},{"type":"Feature","properties":{"resourceCoords":[2100.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.148837,39.766515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0355/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p355","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0355/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0355/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6059.5,0.0 6504.0,0.0 6504.0,7439.6 502.7,7450.7 503.7,7796.0 -0.0,7796.0 0.0,0.0 738.0,0.0 749.2,1051.2 3747.5,1082.5 6059.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0355/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5640.0,1780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.155275,39.768078]}},{"type":"Feature","properties":{"resourceCoords":[5640.0,7440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.154595,39.765586]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0356/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p356","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0356/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0356/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6520.0,167.6 6520.0,7454.2 1765.5,7462.5 1756.1,44.6 1312.9,45.1 1408.4,0.0 6520.0,167.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0356/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3196.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.153278,39.765797]}},{"type":"Feature","properties":{"resourceCoords":[904.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.154595,39.765586]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0357/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p357","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0357/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0357/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.0,162.7 2139.1,211.0 2136.6,0.0 5954.1,0.0 5932.9,7451.3 1558.8,7451.4 1573.0,162.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0357/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4240.0,4072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150238,39.767848]}},{"type":"Feature","properties":{"resourceCoords":[440.0,4072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.15242,39.767495]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0358/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p358","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0358/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0358/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7479.3 -0.0,-0.0 5684.8,0.0 5569.7,374.0 5775.2,826.4 3849.6,7471.1 -0.0,7479.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0358/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3844.0,4096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.147047,39.768365]}},{"type":"Feature","properties":{"resourceCoords":[2504.0,7472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.147416,39.766747]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0359/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p359","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0359/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0359/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"438.4,7698.4 325.7,859.5 -0.0,491.8 0.0,-0.0 6504.0,0.0 6504.0,7796.0 438.4,7698.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0359/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2200.0,4416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.145413,39.76829]}},{"type":"Feature","properties":{"resourceCoords":[5912.0,7512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.143388,39.766721]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0361/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p361","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0361/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0361/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2984.1,7652.5 -0.0,7581.1 0.0,0.0 6504.0,0.0 6504.0,6067.1 5926.3,6328.4 5924.0,6577.5 5392.9,6569.7 2984.1,7652.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0361/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1591315770848,39.771313728592965]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15540023060298,39.77195634635808]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15440510531108,39.76849437765822]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15813645179291,39.767851759893105]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0362/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p362","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0362/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0362/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6337.8 577.4,6066.8 521.5,0.0 5173.7,0.0 5155.7,6818.7 2782.5,6597.0 -0.0,6631.3 -0.0,6337.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0362/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5152.0,5788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152038,39.769811]}},{"type":"Feature","properties":{"resourceCoords":[5152.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152532,39.771608]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0363/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p363","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0363/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0363/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 5553.2,0.0 5530.8,5237.1 6504.0,7796.0 23.8,7796.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0363/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3844.0,7248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150209,39.770858]}},{"type":"Feature","properties":{"resourceCoords":[1108.0,3944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152532,39.771608]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0364/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p364","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0364/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0364/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 6520.0,0.0 6520.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0364/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15129831784347,39.77412274283777]}},{"type":"Feature","properties":{"resourceCoords":[6520.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14795180923115,39.775473748397125]}},{"type":"Feature","properties":{"resourceCoords":[6520.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14586473663742,39.77237661438639]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14921124524975,39.77102560882703]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p366 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5338.4"},{"label":"split_canvas_w","value":"1587.6"},{"label":"split_canvas_h","value":"2457.6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 1587.6,7796.0 1571.2,5339.2 0.0,5338.4 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5338.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1275570917674,39.781646401552145]}},{"type":"Feature","properties":{"resourceCoords":[1587.6,5338.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12718953172137,39.780989846545985]}},{"type":"Feature","properties":{"resourceCoords":[1587.6,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12850372771108,39.780549181609985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12887128775711,39.781205736616144]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p366 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6520.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3264.0,272.0 3288.3,7437.2 3667.6,7440.0 3664.8,7796.0 6520.0,7796.0 6520.0,5276.8 6520.0,0.0 4089.2,0.0 4103.3,277.0 3264.0,272.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0366__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3264.0,272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.145983,39.758017]}},{"type":"Feature","properties":{"resourceCoords":[3264.0,5192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.146197,39.755731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0367/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p367","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0367/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0367/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"360.0,144.0 5664.5,0.0 6504.0,738.4 6504.0,7796.0 -0.0,7796.0 -0.0,4901.7 363.1,3795.4 360.0,144.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0367/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[360.0,4944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.183568,39.770314]}},{"type":"Feature","properties":{"resourceCoords":[360.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.183355,39.772483]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0369/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p369","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0369/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0369/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,0.0 2476.0,0.0 2476.9,250.2 6426.4,245.5 6450.2,4398.9 6247.3,4608.9 6215.7,6401.0 6504.0,6406.1 6504.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0369/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17871405452703,39.772585393269324]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17489587825541,39.772345482627195]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17526984485352,39.76882619089244]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17908802112514,39.76906610153457]}},{"type":"Feature","properties":{"resourceCoords":[4336.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1761805,39.7723135]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0370__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p370 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6520.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0370__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0370/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"199.4,5786.8 -0.0,6000.7 -0.0,7796.0 3612.0,7796.0 3668.4,7796.0 3635.6,4639.6 4390.0,4034.0 6520.0,4018.8 6520.0,1111.9 6520.0,0.0 5301.5,0.0 5060.1,276.0 78.5,361.4 199.4,5786.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0370__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1764.0,4016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.174119,39.7710882]}},{"type":"Feature","properties":{"resourceCoords":[5060.0,276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171972,39.772624]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0371/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p371","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0371/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0371/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 5475.3,0.0 5451.3,1870.2 6504.0,1876.1 6444.2,7791.0 3359.9,7772.9 -0.0,6641.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0371/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1850302283236,39.776158481860634]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18117176226845,39.77595250466687]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1814907491221,39.772372829394655]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18534921517725,39.77257880658842]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0372__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p372 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6520.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0372__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0372/info.json","type":"ImageService2","height":7796,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6520.0,4078.2 5177.6,0.0 -0.0,0.0 0.0,3841.2 1312.0,3839.6 2907.6,7796.0 6520.0,7796.0 6520.0,4078.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0372__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4192.0,3008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.184392,39.77156]}},{"type":"Feature","properties":{"resourceCoords":[6172.0,3008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.183471,39.771267]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0373/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p373","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0373/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0373/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1430.2,202.8 6504.0,198.4 6504.0,5414.3 6155.3,5412.3 6224.8,7796.0 4461.4,7796.0 4460.9,6831.3 3617.6,6090.3 1474.8,6149.6 1430.2,202.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0373/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4536.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1794303,39.7749843]}},{"type":"Feature","properties":{"resourceCoords":[364.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1818728,39.775127]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0374/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p374","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0374/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0374/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2237.3,7627.5 2236.4,7374.1 66.7,7376.3 107.5,1121.0 6255.3,1091.9 6263.4,7618.7 2237.3,7627.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0374/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17819921898955,39.77586261735249]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17442864408122,39.77562267215191]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17479773720046,39.77214803058276]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1785683121088,39.77238797578334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0375/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p375","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0375/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0375/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.5,6373.7 179.4,206.9 6504.0,134.9 6504.0,4888.9 5202.2,6343.4 227.5,6373.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0375/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2544.0,180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.173213,39.7755102]}},{"type":"Feature","properties":{"resourceCoords":[5344.0,2104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1716692,39.7745308]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0376__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p376 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6548.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0376__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0376/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1476.4,4972.0 402.9,6144.2 1622.0,6171.6 1585.5,7796.0 4330.0,7796.0 5531.6,6310.0 6548.0,6311.6 6548.0,4495.2 6548.0,0.0 5836.3,0.0 5036.3,1079.7 5040.0,208.0 1530.7,208.0 1476.4,4972.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0376__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5040.0,208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1688292,39.7752515]}},{"type":"Feature","properties":{"resourceCoords":[336.0,208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1715867,39.7754142]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0377/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p377","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0377/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0377/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"280.0,7612.0 287.0,5700.8 -0.0,5703.1 0.0,-0.0 6504.0,38.2 6504.0,7597.0 280.0,7612.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0377/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4448.0,2284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1791956,39.7773746]}},{"type":"Feature","properties":{"resourceCoords":[280.0,7612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1818728,39.775127]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0378/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p378","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0378/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0378/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.8,7796.0 187.1,1232.6 2261.9,1232.6 2261.9,394.0 6258.2,401.7 6240.6,7796.0 189.8,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0378/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4128.0,6808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1758403,39.7756653]}},{"type":"Feature","properties":{"resourceCoords":[4128.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.175547,39.778555]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0379/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p379","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0379/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0379/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"374.1,552.4 6488.0,486.4 6488.0,6335.8 362.7,6347.4 374.1,552.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0379/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2344.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1731835,39.7781209]}},{"type":"Feature","properties":{"resourceCoords":[6396.0,6336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1710917,39.775385]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0380/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p380","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0380/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0380/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.0,6338.2 245.1,758.3 6014.4,775.8 5771.1,3794.9 6548.0,3859.2 6548.0,7796.0 5531.8,7796.0 5529.8,6123.2 4836.2,6124.1 4015.7,7207.0 4018.4,6333.5 241.0,6338.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0380/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2116.0,6336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1699417,39.7753171]}},{"type":"Feature","properties":{"resourceCoords":[2116.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.169675,39.7779462]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0381/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p381","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0381/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0381/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"433.4,1622.1 447.7,0.0 5084.1,193.3 4774.5,1616.6 6488.0,2155.2 6488.0,7796.0 412.6,7796.0 408.5,4425.7 758.8,4396.9 719.7,1696.6 433.4,1622.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0381/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16720723683012,39.77981907960267]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16348852072655,39.779356706505496]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16420637845722,39.77589835463696]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1679250945608,39.77636072773413]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0383/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p383","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0383/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0383/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2346.4,6954.0 2346.5,7796.0 -0.0,7796.0 0.0,-0.0 6375.0,166.7 6373.3,887.6 6488.0,886.4 6488.0,7606.4 6358.9,7607.7 6358.7,6961.8 2346.4,6954.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0383/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4220.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1753138,39.7808524]}},{"type":"Feature","properties":{"resourceCoords":[4220.0,6944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.175547,39.778555]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0384/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p384","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0384/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0384/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"385.0,964.6 271.1,965.7 286.2,0.0 6230.6,0.0 6223.6,7576.8 384.7,7635.1 385.0,964.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0384/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2208.0,3148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1729787,39.78014]}},{"type":"Feature","properties":{"resourceCoords":[4224.0,7600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1719986,39.7780597]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0385/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p385","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0385/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0385/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,0.0 6488.0,0.0 6395.1,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0385/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2520.0,5144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.179905,39.782648]}},{"type":"Feature","properties":{"resourceCoords":[464.0,7600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1812353,39.781608]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0386/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p386","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0386/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0386/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,138.3 -0.0,0.0 6548.0,0.0 6548.0,7642.7 6306.0,7645.2 6307.7,6937.7 64.2,6774.9 153.0,138.5 -0.0,138.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0386/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4192.0,6928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1752384,39.7815958]}},{"type":"Feature","properties":{"resourceCoords":[4192.0,5280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.175162,39.782348]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0387/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p387","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0387/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0387/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"416.0,0.0 6488.0,0.0 6488.0,6641.8 525.8,6745.8 416.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0387/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17376146214323,39.784676848537266]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16999085421921,39.784399633187554]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17042127624079,39.78089327607735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17419188416481,39.78117049142706]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0388/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p388","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0388/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0388/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6379.7,7468.7 6033.6,7469.7 6012.3,7796.0 183.5,7796.0 166.6,0.0 5545.3,0.0 5215.4,824.8 6548.0,789.3 6272.6,4700.5 6548.0,4796.5 6379.7,7468.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0388/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4044.0,3072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1683402,39.7798866]}},{"type":"Feature","properties":{"resourceCoords":[4044.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1682347,39.7808865]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0389__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p389 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6488.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0389__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0389/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1252.4,5326.8 1943.2,7524.5 6336.0,6360.6 6346.0,0.0 0.0,0.0 -0.0,5866.9 1252.4,5326.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0389__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6336.0,6360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.164311,39.779371]}},{"type":"Feature","properties":{"resourceCoords":[6336.0,252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1626986,39.7818635]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0390/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p390","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0390/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0390/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6548.0,7796.0 268.6,7796.0 179.8,6363.3 181.8,235.8 6548.0,0.0 6548.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0390/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16273219373011,39.78199642396191]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15929006387499,39.78066377530429]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16134016773913,39.777492066034256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16478229759424,39.77882471469187]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0391/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1918 | sanborn06671_007 p391","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:27:05Z","modified":"2026-09-23T21:27:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0391/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0391/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"225.4,7421.7 233.8,7165.7 -0.0,7168.7 0.0,-0.0 6488.0,0.0 6488.0,7136.9 225.4,7421.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671191803:06671_03_1918-0391/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16085874072569,39.78488113367759]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15750198755171,39.78355749855161]}},{"type":"Feature","properties":{"resourceCoords":[6488.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15955714229834,39.78043598559428]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16291389547231,39.78175962072026]}}]}}]}