{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06671_018.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dayton, Ohio | 1956 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"77"},{"label":"placed","value":"51"},{"label":"unplaced","value":"26"},{"label":"fit sources","value":"georef-snap 29, georef 22"},{"label":"key map","value":"none"},{"label":"split sheets","value":"11 sheet(s) cut into 32 panels"},{"label":"unplaced pages","value":"p0a__1 (tier 4, 39.72400,-84.16140 +/-18520m); p0a__2 (tier 1, 39.65594,-84.12859 +/-156m); p0b (tier 4, 39.72400,-84.16140 +/-18520m); p615__1 (tier 4, 39.72400,-84.16140 +/-18520m); p615__3 (tier 4, 39.72400,-84.16140 +/-18520m); p615__4 (tier 4, 39.72400,-84.16140 +/-18520m); p615__5 (tier 4, 39.72400,-84.16140 +/-18520m); p615__7 (tier 4, 39.72400,-84.16140 +/-18520m); p624__1 (tier 4, 39.72400,-84.16140 +/-18520m); p624__2 (tier 4, 39.72400,-84.16140 +/-18520m); p625__2 (tier 1, 39.74564,-84.14305 +/-141m); p626__1 (tier 1, 39.72493,-84.16435 +/-532m); p626__2 (tier 2, 39.73905,-84.14775 +/-2279m); p626__3 (tier 1, 39.72138,-84.16778 +/-281m); p627 (tier 1, 39.74684,-84.13113 +/-241m); p801__1 (tier 2, 39.73356,-84.18008 +/-100m); p801__2 (tier 1, 39.73789,-84.18399 +/-317m); p801__3 (tier 1, 39.72898,-84.18472 +/-216m); p801__5 (tier 1, 39.73224,-84.18555 +/-135m); p804__2 (tier 1, 39.73394,-84.17253 +/-227m); p809__1 (tier 2, 39.72814,-84.16937 +/-1406m); p809__2 (tier 1, 39.72661,-84.17544 +/-212m); p810 (tier 2, 39.72382,-84.17994 +/-350m); p819__1 (tier 2, 39.71103,-84.16370 +/-809m); p821__2 (tier 1, 39.71580,-84.19749 +/-149m); p827__2 (tier 1, 39.67899,-84.20718 +/-219m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0601/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p601","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0601/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0601/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4013.9 0.0,0.0 5582.6,0.0 5587.3,449.9 6058.5,430.0 6084.5,3393.6 5618.1,3398.0 5646.1,6073.9 6124.9,6068.9 6133.0,7145.8 2237.4,6101.7 2816.4,5824.2 3128.3,5401.9 5003.7,5901.4 5267.3,5897.2 5380.1,5806.9 5446.7,5611.6 5345.5,5376.4 5158.7,5292.3 5157.4,4998.2 3267.4,4968.8 3108.6,4860.1 3161.0,4967.1 2125.3,4951.0 1769.3,5512.5 1756.0,4945.2 1098.1,4935.0 1088.0,4008.5 -0.0,4013.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0601/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14559279238577,39.7594061859111]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1376946923188,39.75887921881205]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13851965439373,39.75146806208865]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1464177544607,39.7519950291877]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0602/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p602","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0602/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0602/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"462.6,5418.0 467.5,2478.3 -0.0,2493.1 0.0,0.0 6660.0,0.0 6660.0,8072.0 1443.1,8072.0 1464.7,7284.0 467.6,7295.9 474.9,8072.0 -0.0,8072.0 -0.0,5417.5 462.6,5418.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0602/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13878713545378,39.760860594919045]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13081788307558,39.76039388251457]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1315485322411,39.752916116353546]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1395177846193,39.75338282875802]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0603/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p603","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0603/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0603/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.1,6568.5 68.0,8072.0 -0.0,8072.0 0.0,0.0 340.5,0.0 786.6,246.8 774.0,1287.0 2256.5,1278.9 2297.0,1033.9 3173.4,1233.8 6324.8,1328.1 6303.8,4993.1 5734.6,4996.8 5745.0,8072.0 4381.7,8072.0 4385.2,7147.6 3362.3,7149.7 3363.3,8072.0 2382.7,8072.0 2387.5,6426.5 1408.1,6423.8 1424.5,8072.0 492.0,8072.0 469.7,6844.0 544.9,6627.7 72.1,6568.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0603/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14690553762235,39.749749275671604]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1389438605329,39.749293458404395]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13965733831263,39.74182159836133]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14761901540207,39.742277415628536]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0604/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p604","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0604/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0604/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5022.9 -0.0,5022.9 546.7,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0 -0.0,5022.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0604/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14000344625236,39.749397224514134]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13201391294864,39.748895807915055]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13279876160419,39.74139776282471]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14078829490792,39.74189917942379]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0605/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p605","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0605/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0605/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"293.1,8072.0 -0.0,7932.3 -0.0,140.4 473.6,206.6 398.9,423.3 424.7,1653.0 1358.5,1650.4 1337.6,0.0 2318.4,0.0 2318.1,1647.7 3300.1,1645.0 3296.7,721.5 4321.0,716.5 4320.1,1642.2 5685.4,1638.4 5717.7,2711.5 6241.3,2712.7 6256.8,5392.8 5722.6,5391.6 5727.4,8014.1 6275.7,8012.5 6276.5,8072.0 3936.0,8072.0 4153.0,7231.3 1429.4,7236.9 1397.9,5406.3 2102.2,5403.7 2098.9,4536.7 474.3,4544.6 509.7,7754.3 293.1,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0605/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14738632135956,39.743801515499946]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13943799650924,39.74332931344817]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14017705702356,39.73586933922976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14812538187388,39.73634154128153]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0606/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p606","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"32"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0606/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0606/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"536.1,6670.2 544.5,8072.0 -0.0,8072.0 -0.0,5449.8 530.4,5452.5 520.0,2772.7 -0.0,2770.0 -0.0,760.7 5008.1,630.4 5123.3,1548.8 4975.2,1719.6 4977.2,1908.9 6660.0,1893.2 6660.0,8072.0 1320.3,8072.0 1307.4,6666.1 536.1,6670.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0606/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3292.0,6660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.137201,39.737068]}},{"type":"Feature","properties":{"resourceCoords":[520.0,3572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.140255,39.740113]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0607/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p607","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0607/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0607/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 0.0,-0.0 5048.8,0.0 6660.0,0.0 6660.0,865.8 6660.0,5470.8 6660.0,6180.3 6049.6,7443.8 2947.3,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0607/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3268.0,860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.149455,39.738891]}},{"type":"Feature","properties":{"resourceCoords":[2916.0,4136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.150164,39.735882]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0608/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p608","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"6"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0608/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0608/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1084.0,5540.0 1854.9,5543.2 1858.6,4766.9 1705.5,4766.1 1706.7,4595.3 272.1,4249.8 214.3,5529.3 -0.0,5528.2 -0.0,1943.0 150.4,1708.0 138.9,0.0 1044.3,0.0 1052.0,1252.0 3770.3,1279.2 3544.4,2121.4 5880.3,2149.6 5884.6,680.7 6660.0,683.8 6660.0,4624.5 5165.2,4605.7 5161.1,4957.9 4051.6,4951.7 4033.0,5170.8 3390.8,5600.5 2832.5,4944.8 2737.6,4944.3 2725.8,7476.2 1080.8,7452.7 1084.0,5540.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0608/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,5540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.146639,39.733064]}},{"type":"Feature","properties":{"resourceCoords":[1052.0,1252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.146343,39.737012]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0609/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p609","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"22"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0609/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0609/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7543.1 -0.0,6908.0 -0.0,4868.2 -0.0,3857.1 2753.7,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0 -0.0,7543.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0609/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1760.0,7008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.152103,39.727595]}},{"type":"Feature","properties":{"resourceCoords":[5020.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.147679,39.733126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0610/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p610","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0610/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0610/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1160.7,5607.6 1151.6,5237.0 633.0,5244.6 636.3,5614.6 -0.0,5623.1 -0.0,2752.9 1589.9,2721.0 1561.3,1410.6 2741.4,1390.3 2768.7,2705.7 5882.3,2661.3 5881.3,5637.5 6660.0,5626.6 6660.0,8072.0 5940.0,8072.0 5891.9,6515.1 4180.0,6532.0 4205.8,8072.0 2343.1,8072.0 2400.8,5591.1 1160.7,5607.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0610/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2044.0,1396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.145665,39.731237]}},{"type":"Feature","properties":{"resourceCoords":[4180.0,6532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.143655,39.726305]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0611/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p611","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0611/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0611/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"695.5,7147.6 -0.0,348.7 -0.0,-0.0 6660.0,0.0 6660.0,4178.7 6602.9,6909.8 6533.2,7324.3 6467.2,7448.8 4598.6,8072.0 4348.2,8072.0 695.5,7147.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0611/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14168202627141,39.73367909832464]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13369446704367,39.73320130576739]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1344421676667,39.72570340691625]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14242972689445,39.72618119947351]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0612/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p612","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0612/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0612/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1845.8,8072.0 1875.8,3838.9 1906.1,3798.1 2005.4,3461.4 2008.5,567.0 2076.7,567.4 2078.0,0.0 6660.0,0.0 6660.0,8072.0 1845.8,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0612/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1365143244858,39.729989536560126]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12854921458863,39.72952743414096]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12927232285169,39.72205020761141]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13723743274886,39.722512310030574]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0613/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p613","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0613/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0613/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.1,7239.8 1351.8,6129.5 276.0,6091.3 273.7,4966.8 454.1,4962.5 462.0,3773.2 260.6,3810.6 274.0,2221.8 349.3,1835.3 -0.0,1855.7 0.0,0.0 2544.3,0.0 2449.8,2491.8 4334.7,2516.7 4331.1,969.1 6063.7,975.0 6097.4,7019.3 6660.0,7022.3 6660.0,8072.0 -0.0,8072.0 -0.0,7253.7 1363.1,7239.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0613/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14872220035961,39.72750494910275]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1407940999734,39.7270338050656]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14153133039258,39.719591054898]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14945943077879,39.720062198935146]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0614/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p614","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0614/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0614/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1624.7,3612.6 1647.4,1163.3 1801.2,1162.2 1797.0,0.0 2699.5,0.0 2709.4,1152.6 4522.3,1132.7 4534.8,2078.8 4786.2,2077.6 4776.5,715.0 4966.4,479.7 4773.8,331.5 4771.5,0.0 5815.6,0.0 5817.1,301.8 5710.7,648.0 5527.0,910.7 6484.3,1674.7 6660.0,1435.0 6660.0,8072.0 929.6,8072.0 898.4,3606.9 1624.7,3612.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0614/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14242429734556,39.72813518352666]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13447434889261,39.72763011481563]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13526467054125,39.720166920534226]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1432146189942,39.720671989245254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__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 | 1956 | sanborn06671_018 p615 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3664.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2996.0"},{"label":"split_canvas_h","value":"4292.8"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,0.0 3691.6,0.0 3677.6,2238.0 3664.0,4236.4 6660.0,4292.8 6660.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5628.0,3748.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.107458,39.764632]}},{"type":"Feature","properties":{"resourceCoords":[4032.0,604.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.109051,39.767566]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p615 [6]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5255.6"},{"label":"split_canvas_w","value":"1854.8"},{"label":"split_canvas_h","value":"2816.4"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__6/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 1826.8,8072.0 1845.2,6139.6 1854.8,5264.4 0.0,5255.6 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0615__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[463.7,7348.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.137529,39.768319]}},{"type":"Feature","properties":{"resourceCoords":[463.7,5583.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.137382,39.769962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0616/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p616","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0616/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0616/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,8072.0 -0.0,8019.1 -0.0,2078.4 342.0,1404.0 -0.0,911.5 0.0,0.0 1849.6,0.0 1852.9,121.0 1995.4,0.0 3432.1,0.0 6660.0,408.5 6660.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0616/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15500734669114,39.7285375629993]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14712594082617,39.72813189687902]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14776072369915,39.72073310044054]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15564212956411,39.72113876656082]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0617/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p617","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0617/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0617/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1249.3,7379.4 707.2,7651.4 152.1,7710.3 56.5,7032.3 47.5,5858.2 -0.0,5857.8 0.0,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0 -0.0,7881.2 1636.2,7908.1 1748.9,1061.6 1107.9,1081.4 1109.0,1987.9 989.1,2562.3 448.1,3042.9 928.1,3055.5 904.2,6385.9 1038.6,7031.1 1249.3,7379.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0617/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13413340882994,39.748751995253876]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.12624011403119,39.74835775398943]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1268572001065,39.74094996669283]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13475049490525,39.741344207957276]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0618/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p618","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0618/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0618/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5818.6,7250.1 1553.3,7218.4 1544.3,6231.2 1230.9,5701.2 1055.1,5988.1 814.2,6194.5 443.2,6329.1 -0.0,6349.0 -0.0,6218.9 419.4,6201.1 748.1,6082.3 1113.0,5647.9 385.0,5341.8 724.3,4078.4 704.0,2967.3 558.9,1760.7 1358.9,1659.3 1278.4,1289.7 1043.8,849.7 1164.8,803.9 1633.6,822.8 1673.4,823.4 1673.5,705.0 1011.9,725.9 1025.0,-0.0 6660.0,-0.0 6660.0,8072.0 5805.8,8072.0 5818.6,7250.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0618/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15233681049033,39.72251545083024]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15285294718589,39.71638926495511]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16243846279718,39.716873831331945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16192232610162,39.72300001720707]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0619/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p619","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0619/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0619/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2479.0,7641.6 2047.8,7271.9 1932.2,6941.6 1918.6,6521.5 1788.4,6520.2 1803.8,6964.2 1934.8,7336.9 2138.9,7580.2 2424.4,7759.1 1984.5,8041.7 -0.0,8072.0 0.0,-0.0 961.7,0.0 961.9,770.6 1531.5,770.7 1877.4,764.7 1877.2,0.0 4794.4,0.0 6068.3,1880.4 5517.6,2250.8 5489.9,4708.0 6660.0,4734.3 6641.1,5362.5 6356.0,6427.9 6376.0,7126.3 4412.8,7279.1 3575.6,7162.1 2792.8,6915.8 2479.0,7641.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0619/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16157224981606,39.72898111245629]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15366773840607,39.72864366570245]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15419577562702,39.721223226745444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.162100287037,39.72156067349928]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0620/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p620","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0620/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0620/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4999.1,6424.0 4983.7,7386.1 6660.0,7412.9 6660.0,8072.0 -0.0,8072.0 -0.0,1145.1 985.8,1178.3 1024.2,-0.0 3029.8,-0.0 2966.0,1040.6 3979.3,1072.3 4045.4,-0.0 5299.8,-0.0 5249.5,1845.7 6159.2,1870.5 5060.4,2589.8 5013.8,5508.2 5778.8,5520.2 5770.1,6436.1 4999.1,6424.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0620/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15257246821511,39.733297744346906]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15288166934818,39.727174328746216]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16246433025333,39.72746457227181]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16215512912026,39.733587987872504]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0621/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p621","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0621/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0621/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6248.7,0.0 6285.6,7708.3 -0.0,7674.1 -0.0,-0.0 190.1,0.0 1314.9,1298.1 2597.4,436.0 2632.6,0.0 6248.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0621/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14461365924097,39.73351308379171]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14063684350971,39.73329655497585]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1409756997571,39.729563627778276]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14495251548837,39.72978015659414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0622/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p622","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0622/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0622/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3201.0,8072.0 3208.9,7571.1 1355.4,7558.8 1381.8,497.4 6660.0,503.1 6660.0,6962.2 5909.6,6378.0 4999.3,7566.6 5000.6,8072.0 3201.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0622/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14182253939221,39.73191027941815]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13783564436424,39.73167564786636]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.13820282181982,39.727933171605535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14218971684778,39.728167803157326]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0623/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p623","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0623/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0623/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,-0.0 6660.0,8039.8 4281.1,8072.0 4278.8,7828.9 2595.0,7785.8 1086.0,7083.7 780.7,7092.5 838.4,6671.9 -0.0,7257.6 -0.0,403.7 781.1,416.2 701.1,-0.0 3161.9,-0.0 3173.1,373.2 5424.5,367.9 5582.7,-0.0 6660.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0623/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14848317344344,39.72430546146002]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.14880272091057,39.72133904671257]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.15344442758592,39.72163903438383]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1531248801188,39.724605449131275]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__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 | 1956 | sanborn06671_018 p625 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"492.1,6681.7 1928.8,6633.8 1961.1,6393.6 2816.1,6564.9 5873.1,6571.7 5829.0,5234.4 6660.0,5217.1 6660.0,2724.0 5157.2,2366.4 3792.4,1991.6 3782.1,1569.7 1978.8,1113.5 2531.6,835.8 2824.9,421.9 3759.7,656.8 3743.6,0.0 1852.0,0.0 1518.4,549.6 1496.4,0.0 862.8,0.0 868.3,198.9 -0.0,213.9 -0.0,5438.6 475.0,5666.3 492.1,6681.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1216.0,6044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.145123,39.749036]}},{"type":"Feature","properties":{"resourceCoords":[4428.0,5160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.141061,39.749564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p625 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"5122.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1538.0"},{"label":"split_canvas_h","value":"2724.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5404.6,0.0 5122.0,0.0 5157.2,2366.4 5727.8,2502.2 5755.9,1484.9 6660.0,1487.2 6660.0,339.7 5404.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0625__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5421.6,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.14628,39.754687]}},{"type":"Feature","properties":{"resourceCoords":[6376.4,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.145149,39.754622]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0801__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p801 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2041.6"},{"label":"split_canvas_y","value":"3747.6"},{"label":"split_canvas_w","value":"1340.0"},{"label":"split_canvas_h","value":"4324.4"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0801__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0801/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3377.8,6746.1 3380.0,5120.4 3381.6,3747.6 2046.8,3756.4 2043.2,6733.7 3377.8,6746.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0801__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2161.6,4523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.180621,39.73437]}},{"type":"Feature","properties":{"resourceCoords":[2161.6,6733.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1803538,39.7333442]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0802/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p802","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0802/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0802/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 0.0,0.0 6660.0,0.0 6660.0,8072.0 3532.3,8072.0 3646.3,7321.7 1617.3,7301.6 1524.1,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0802/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19839835945719,39.727841308006504]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19053271323894,39.72736711812499]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19127471321063,39.719983033746836]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19914035942888,39.72045722362835]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0803/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p803","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0803/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0803/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 0.0,0.0 6121.8,0.0 6280.8,6644.4 5675.5,7059.8 5705.5,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0803/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18785874740202,39.732471070910535]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18008427616962,39.733638298350705]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17825768151194,39.72634039656033]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18603215274433,39.72517316912016]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0804__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 | 1956 | sanborn06671_018 p804 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0804__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0804/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.6,0.0 0.0,0.0 0.0,4481.6 0.0,4652.0 -0.0,7753.7 341.8,7528.5 843.8,8072.0 4732.4,8072.0 4318.4,5328.4 4338.8,4335.6 6660.0,4313.6 6660.0,0.0 206.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0804__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3196.0,1500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1768502,39.7338836]}},{"type":"Feature","properties":{"resourceCoords":[2632.0,4856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.176655,39.73072]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0805/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p805","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0805/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0805/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2886.3,6875.3 2500.9,4255.7 2268.6,3193.6 2932.4,3143.1 2936.2,3036.9 2234.0,3053.6 1686.2,1367.5 2996.8,1329.9 3000.4,1228.4 1637.2,1259.0 1159.3,0.0 2376.4,0.0 2441.7,361.2 3031.1,361.4 3043.9,0.0 3745.6,0.0 3749.2,361.3 6408.7,350.0 6404.6,0.0 6527.4,0.0 6532.7,349.4 6660.0,349.3 6660.0,7117.7 6498.9,7118.0 6499.8,6873.9 6380.9,6873.9 6380.4,7118.3 6379.4,7118.3 6378.8,7213.2 6003.7,7213.8 6004.7,7119.9 4465.8,7126.5 4466.2,7217.0 3741.0,7217.5 3740.6,7208.7 2947.4,7204.9 2891.1,6875.3 2886.3,6875.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0805/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17542034609399,39.72582995898133]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16736400923092,39.72538397389078]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16806185469127,39.71782065262808]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17611819155434,39.71826663771863]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0806/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p806","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0806/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0806/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4242.8,0.0 5148.2,0.0 5251.7,3874.1 6138.0,3851.2 6177.1,8072.0 2507.4,8072.0 2498.9,7296.8 656.8,7318.1 584.8,484.2 4251.9,444.5 4242.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0806/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4328.0,6324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.163455,39.719359]}},{"type":"Feature","properties":{"resourceCoords":[3568.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.163794,39.724861]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0807/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p807","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0807/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0807/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7291.7 0.0,0.0 6660.0,0.0 6660.0,7341.3 2822.1,7307.9 2820.3,6953.6 2695.7,6952.3 2696.4,7307.2 -0.0,7291.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0807/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17038163043226,39.73198302552708]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16243017102894,39.73160474555477]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16302212974338,39.724140556611516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1709735891467,39.724518836583826]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0808/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p808","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0808/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0808/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4088.1,6767.4 1399.8,6978.1 1191.1,7387.8 1116.4,8072.0 -0.0,8072.0 -0.0,2148.6 421.2,2019.1 105.5,1091.4 797.1,220.4 1434.8,569.6 3158.2,0.0 6660.0,0.0 6660.0,2285.2 6078.5,2305.6 6067.7,2196.9 6001.6,1951.6 4800.9,1994.2 5316.5,3219.4 6660.0,3141.6 6660.0,3241.7 5368.6,3324.7 5967.9,4968.8 6660.0,4927.8 6660.0,5032.6 6007.0,5105.7 6273.3,6145.2 6371.1,6889.3 4955.0,7278.9 4396.7,7331.4 4149.4,7178.2 4088.1,6767.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0808/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17962196844987,39.72812644162303]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17148562656027,39.7274507349707]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17254295553545,39.71981253369714]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18067929742504,39.72048824034947]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0811/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p811","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0811/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0811/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5472.6,5614.6 5242.8,6498.2 -0.0,6350.1 -0.0,1110.1 147.0,407.9 396.7,0.0 3201.4,0.0 3251.2,465.3 3572.4,621.2 4058.8,600.8 5558.9,311.8 5846.5,2576.9 6027.3,2581.2 6163.5,3574.2 5982.9,3586.0 5946.3,3319.0 4872.8,3345.0 4825.9,4386.4 6110.0,4509.9 6266.3,5621.6 5472.6,5614.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0811/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1792942336582,39.721391733344234]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17143026610154,39.72121739378578]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17170304336099,39.71383421574713]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17956701091765,39.71400855530558]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0812/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p812","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0812/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0812/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4809.7,1648.9 6660.0,1719.9 6660.0,8072.0 2626.6,8072.0 2445.6,7985.2 2399.9,8072.0 -0.0,8072.0 -0.0,2564.1 1080.3,2755.0 1899.5,2814.5 3138.1,2683.1 2986.5,952.3 4819.0,637.1 4809.7,1648.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0812/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17020748922225,39.71517339515091]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17066811962229,39.70890377850792]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18047700655111,39.70933628009254]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.18001637615107,39.71560589673554]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0813/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p813","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"26"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0813/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0813/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,8072.0 5765.1,8072.0 5765.1,8072.0 -0.0,7665.6 0.0,-0.0 6660.0,-0.0 6660.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0813/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1468.0,4624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.167205,39.70491]}},{"type":"Feature","properties":{"resourceCoords":[5268.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1625568,39.7011451]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0814/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p814","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0814/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0814/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3795.4,8072.0 3583.0,8072.0 -0.0,7764.4 -0.0,536.7 2021.5,480.0 5646.2,423.4 6660.0,2255.4 6660.0,6300.7 6478.4,8072.0 3795.4,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0814/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,4224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.172199,39.708975]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,7740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171972,39.707304]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0815/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p815","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0815/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0815/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4929.8,7664.3 1701.1,7566.1 1226.6,3320.0 3091.6,3342.3 3261.9,4444.7 3537.0,4414.9 3352.1,3345.5 3338.5,3271.8 3084.3,3272.1 2887.2,1960.1 3103.2,1965.9 3072.7,1755.3 2878.2,591.7 5337.0,261.0 5570.4,2031.7 5831.5,2038.7 5841.6,2300.8 6660.0,2308.1 6660.0,3268.3 5596.2,3269.4 5597.5,6197.1 6660.0,6205.1 6660.0,8027.4 4929.8,7664.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0815/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1228.0,3320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171852,39.70649]}},{"type":"Feature","properties":{"resourceCoords":[5712.0,2300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1691316,39.7068184]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0816/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p816","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0816/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0816/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5191.2,8072.0 -0.0,8072.0 -0.0,307.3 5252.4,1152.9 6660.0,1634.1 6660.0,7736.5 5186.6,7504.2 5191.2,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0816/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17363110096808,39.70476381175397]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16966625932899,39.70507290365866]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16918274619059,39.70134968069091]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17314758782967,39.70104058878622]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0817/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p817","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0817/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0817/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"389.9,4892.5 697.6,3400.0 1493.4,3373.3 1289.6,2265.8 -0.0,2197.3 -0.0,1150.6 1075.0,1079.0 1123.0,1345.1 1303.5,1325.6 1124.8,336.1 2507.7,352.5 2507.4,259.3 4092.4,253.1 4091.3,349.9 4477.6,349.4 4480.0,0.0 4602.4,0.0 4601.4,251.4 6660.0,248.0 6660.0,7356.1 4569.3,7357.3 4568.8,8072.0 4440.6,8072.0 4444.5,7357.7 2406.9,7357.0 2349.0,7048.3 2292.2,7048.2 2290.3,7767.3 2214.1,7358.9 427.4,7540.8 277.9,6599.6 389.9,4892.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0817/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17355760154348,39.71925154808037]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16573540070546,39.71882097997318]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16640905934509,39.71147677508204]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1742312601831,39.71190734318923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0818/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p818","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0818/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0818/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.4,6708.6 -0.0,5838.4 0.0,0.0 4275.4,204.7 4274.8,0.0 6047.4,0.0 6056.4,291.1 6089.1,292.7 6660.0,1238.9 6660.0,8072.0 1302.1,8072.0 159.4,6708.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0818/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4148.0,4148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.166841,39.708583]}},{"type":"Feature","properties":{"resourceCoords":[2168.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.1689616,39.7113963]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0819__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 | 1956 | sanborn06671_018 p819 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"4346.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2314.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0819__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0819/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6384.3,7248.3 6356.7,8072.0 6660.0,8072.0 6660.0,0.0 4346.0,0.0 4370.5,1297.6 4935.9,1303.3 4924.7,2222.6 4385.0,2217.1 4413.6,3843.7 4449.4,4170.5 4419.4,4170.1 4437.0,5170.6 4599.0,5172.5 4602.2,7218.2 6384.3,7248.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0819__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6376.2,4180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.162029,39.708321]}},{"type":"Feature","properties":{"resourceCoords":[6376.2,5204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.162105,39.707362]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0820/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p820","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0820/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0820/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6849.3 -0.0,1528.6 4058.4,1449.6 4026.6,3233.7 4855.9,3236.0 5119.5,4655.0 5280.7,6238.1 3710.1,6252.9 3803.5,6777.4 -0.0,6849.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0820/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4856.0,3236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171972,39.707304]}},{"type":"Feature","properties":{"resourceCoords":[5024.0,4112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.171852,39.70649]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0821__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 | 1956 | sanborn06671_018 p821 [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"28"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0821__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0821/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,7339.9 4831.9,7153.2 4830.0,5772.4 6660.0,5777.6 6660.0,2660.9 6660.0,1113.9 3822.9,1183.4 3917.4,425.6 1889.8,455.1 1816.6,1232.5 293.9,1269.8 261.3,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0821__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3584.0,3868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.195579,39.717794]}},{"type":"Feature","properties":{"resourceCoords":[2932.0,7452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.196781,39.714606]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0822/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p822","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0822/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0822/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,1384.8 260.0,0.0 5433.2,0.0 5443.8,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0822/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.20119354916146,39.71502858330543]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19330196640048,39.714638966767566]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.19391151566037,39.7072291658774]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.20180309842135,39.70761878241527]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0823/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p823","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0823/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0823/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,3793.9 1857.1,3499.2 1857.1,3499.2 3328.5,3265.7 3135.7,2062.1 4033.4,2070.2 4052.0,-0.0 6660.0,-0.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0823/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5256.0,4328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.174554,39.699321]}},{"type":"Feature","properties":{"resourceCoords":[648.0,5236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.175322,39.703617]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0824/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p824","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0824/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0824/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,0.0 6660.0,7433.6 6210.2,7426.7 6221.6,7125.8 6116.6,7125.2 6112.5,7299.1 4125.1,7306.0 4129.3,7115.3 3490.0,7112.0 3489.7,7168.3 2813.2,7155.0 2825.0,7306.7 1777.6,7359.0 1768.5,7134.5 765.1,7114.8 745.6,7361.7 656.6,7361.6 642.7,8072.0 -0.0,8072.0 0.0,0.0 6660.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0824/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17049174751492,39.69649321375366]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.1624835475605,39.696290021221316]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16280135402344,39.68876870627634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17080955397786,39.68897189880869]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0825/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p825","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0825/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0825/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,506.9 181.3,503.4 211.0,0.0 2255.1,0.0 2282.7,456.8 4413.6,308.4 4383.5,0.0 6660.0,0.0 6660.0,488.7 5768.8,508.4 5874.7,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0825/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16997637120241,39.689845472087]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.16604790109042,39.689685961363985]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.166297369719,39.68599608983525]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.17022583983099,39.686155600558266]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0826/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dayton, Ohio | 1956 | sanborn06671_018 p826","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0826/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0826/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,8072.0 -0.0,8072.0 -0.0,606.9 861.6,600.3 868.2,124.4 -0.0,111.6 0.0,0.0 1258.5,0.0 1252.4,378.4 5164.8,344.9 5170.9,0.0 5377.5,0.0 5358.5,597.1 6264.9,606.5 6240.7,0.0 6660.0,0.0 6660.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0826/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5072.0,4136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.163574,39.687727]}},{"type":"Feature","properties":{"resourceCoords":[3392.0,5912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.16464,39.686923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0827__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 | 1956 | sanborn06671_018 p827 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0827__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0827/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3264.4,8072.0 3242.4,5150.4 6660.0,5160.4 6660.0,1650.0 6660.0,0.0 1984.8,0.0 0.0,0.0 -0.0,8072.0 3264.4,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084dm:g4084dm_g06671195606:06671_06_1956-0827__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":[-84.35105708377101,39.63689164704663]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.34492492520133,39.640858222052394]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.33867298813426,39.63514306330615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.34480514670395,39.63117648830039]}},{"type":"Feature","properties":{"resourceCoords":[4032.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3478824,39.6384465]}},{"type":"Feature","properties":{"resourceCoords":[4032.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3471517,39.639118]}}]}}]}