{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08291_013.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chattanooga, Tennessee | 1950 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"125"},{"label":"placed","value":"106"},{"label":"unplaced","value":"19"},{"label":"fit sources","value":"georef 77, georef-snap 27, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 35 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 35.00223,-85.30600 +/-4190m); p401__2 (tier 1, 35.02497,-85.29231 +/-100m); p404 (tier 1, 35.01852,-85.29759 +/-509m); p408__1 (tier 1, 34.99027,-85.28946 +/-182m); p408__3 (tier 2, 34.99109,-85.29124 +/-233m); p408__4 (tier 2, 34.99109,-85.29124 +/-233m); p412__1 (tier 1, 35.00208,-85.27315 +/-100m); p439__2 (tier 1, 34.99373,-85.29047 +/-125m); p450 (tier 2, 34.98753,-85.28220 +/-100m); p454 (tier 1, 34.98920,-85.28469 +/-125m); p455__1 (tier 2, 34.98830,-85.28882 +/-202m); p703__3 (tier 1, 35.01994,-85.31875 +/-100m); p711__1 (tier 1, 35.00709,-85.31146 +/-100m); p732__2 (tier 2, 35.01120,-85.31383 +/-1104m); p743__1 (tier 1, 34.99521,-85.31512 +/-178m); p743__3 (tier 2, 34.99164,-85.32477 +/-1173m); p743__4 (tier 2, 34.99164,-85.32477 +/-1173m); p743__5 (tier 2, 34.99164,-85.32477 +/-1173m); p744__2 (tier 2, 35.00445,-85.34526 +/-216m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0401__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p401 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6584.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0401__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0401/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6584.0,7667.9 6584.0,5388.3 6070.5,4897.6 6584.0,4300.5 6584.0,2188.8 4365.6,2164.0 4335.2,0.0 -0.0,-0.0 -0.0,7796.0 6584.0,7667.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0401__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2997316,35.0248038]}},{"type":"Feature","properties":{"resourceCoords":[4620.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2978038,35.0245693]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0402/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p402","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0402/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0402/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.1,1556.9 880.1,0.0 6452.0,0.0 6452.0,944.0 5418.4,952.0 5172.8,1394.7 5225.2,4366.0 6452.0,5028.4 6452.0,7796.0 -0.0,7796.0 -0.0,5066.5 2148.1,4401.6 2149.0,4399.7 1594.1,2475.6 1040.9,2186.2 1329.1,1556.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0402/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5420.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2948024,35.0233934]}},{"type":"Feature","properties":{"resourceCoords":[1040.0,2188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2972568,35.0237042]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0403/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p403","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0403/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0403/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4410.0,6100.4 4962.5,6711.4 5570.2,7796.0 -0.0,7796.0 -0.0,6995.2 1152.5,7015.4 1200.8,4280.5 -0.0,3604.7 -0.0,667.5 250.4,234.3 1272.0,244.4 1276.3,0.0 6312.3,0.0 6310.3,2677.1 4410.0,6100.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0403/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[668.0,3988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2954184,35.0217608]}},{"type":"Feature","properties":{"resourceCoords":[6308.0,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2917582,35.0222539]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0405/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p405","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0405/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0405/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2635.7,7286.9 2662.7,7796.0 -0.0,7796.0 -0.0,4130.9 545.1,4127.9 487.6,3951.1 -0.0,3317.6 -0.0,3201.7 903.3,1551.4 897.1,204.9 -0.0,209.8 -0.0,0.0 6379.6,0.0 6379.8,300.4 5884.0,316.0 5869.5,7277.5 2635.7,7286.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0405/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5884.0,5232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2889018,35.0164466]}},{"type":"Feature","properties":{"resourceCoords":[5884.0,316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2867194,35.0204913]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0406/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p406","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"24"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0406/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0406/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"758.5,7335.8 726.8,331.8 1225.5,312.8 1223.2,0.0 6452.0,0.0 6452.0,3443.9 5016.1,3430.2 4997.5,4648.8 5684.6,4647.2 5705.5,7401.6 4113.3,7411.2 4112.9,7304.4 758.5,7335.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0406/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5700.0,6484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2845233,35.0136511]}},{"type":"Feature","properties":{"resourceCoords":[756.0,4240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2884405,35.017294]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0407/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p407","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0407/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0407/info.json","type":"ImageService2","height":7796,"width":6588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4770.5 -0.0,3558.2 1434.8,3542.2 1382.1,117.3 -0.0,145.9 0.0,-0.0 5655.8,39.3 5675.7,3914.0 5938.6,3912.7 6001.0,6260.4 725.1,6436.0 686.4,4754.7 -0.0,4770.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0407/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28218034909526,35.01928815109783]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27567869009435,35.0167589543168]}},{"type":"Feature","properties":{"resourceCoords":[6588.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27930747542445,35.01041321816051]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28580913442535,35.01294241494154]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0408__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p408 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"1603.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4848.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0408__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0408/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1693.5,6613.1 1700.3,6926.5 3209.7,6924.2 4709.0,6613.5 5112.5,6009.3 5116.0,5863.6 5209.7,5863.7 6056.3,4596.0 6212.2,2128.4 3119.9,0.0 2648.2,44.1 2213.2,2010.0 1604.8,2454.4 1604.0,6441.2 1603.9,6613.1 1693.5,6613.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0408__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4709.3,6916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2912893,34.9876125]}},{"type":"Feature","properties":{"resourceCoords":[1703.5,5964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.294628,34.9884141]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0409/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p409","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0409/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0409/info.json","type":"ImageService2","height":7796,"width":6604},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6274.2,7796.0 -0.0,7796.0 -0.0,-0.0 6395.1,0.0 6274.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0409/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27661698784941,35.017084806498964]}},{"type":"Feature","properties":{"resourceCoords":[6604.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2733698870608,35.015838466300266]}},{"type":"Feature","properties":{"resourceCoords":[6604.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2751537476287,35.0126769094323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27840084841732,35.013923249631]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0410/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p410","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0410/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0410/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 81.0,0.0 6452.0,0.0 6452.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0410/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2408.0,4504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2735244,35.0136727]}},{"type":"Feature","properties":{"resourceCoords":[4572.0,4504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2726189,35.0133463]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0411/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p411","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0411/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0411/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6283.5,0.0 6420.3,0.0 6419.4,288.1 6556.0,288.6 6556.0,5873.3 6369.2,5871.2 6411.4,7796.0 -0.0,7796.0 -0.0,641.6 6258.4,809.8 6283.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0411/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4028.0,1584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2764889,35.0128136]}},{"type":"Feature","properties":{"resourceCoords":[6240.0,1584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2754786,35.0124526]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0412__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p412 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5986.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0412__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0412/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,5537.5 6452.0,0.0 5825.0,0.0 5824.3,418.5 576.4,409.4 584.0,5479.4 6452.0,5537.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0412__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2780.0,5497.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2750892,35.0103922]}},{"type":"Feature","properties":{"resourceCoords":[344.0,2824.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2757251,35.011933]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0413/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p413","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"17"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0413/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0413/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6200.5,7383.2 6423.5,7796.0 3648.0,7796.0 3763.7,7715.3 2944.9,6447.8 -0.0,6421.2 -0.0,0.0 179.6,0.0 176.1,1493.8 2830.0,1515.7 2804.5,992.3 6028.0,990.2 6026.7,6852.4 6200.5,7383.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0413/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,3680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2963672,35.014471]}},{"type":"Feature","properties":{"resourceCoords":[6028.0,2008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2902753,35.0139279]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0414/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p414","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"21"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0414/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0414/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5668.0,7004.0 3597.5,7038.9 3597.8,7796.0 1048.0,7796.0 645.7,6873.0 559.8,996.1 3891.5,945.0 3892.6,1051.2 4698.2,1047.6 4719.9,1960.9 6452.0,1936.9 6452.0,3946.7 5633.9,3951.7 5668.0,7004.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0414/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1592.0,3004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2897098,35.0127389]}},{"type":"Feature","properties":{"resourceCoords":[5668.0,7004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2874626,35.0079392]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0415/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p415","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0415/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0415/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2588.0,1683.8 4587.1,1731.6 4595.2,0.0 5504.1,0.0 5505.0,775.7 6556.0,786.5 6556.0,6031.5 5662.8,6025.5 5660.4,7796.0 380.7,7796.0 565.2,844.3 2598.2,866.1 2588.0,1683.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0415/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28810646972997,35.00860092381118]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28525354778985,35.01405338492067]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27739287090363,35.011255123456614]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28024579284374,35.00580266234712]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0416/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p416","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0416/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0416/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1200.4,1632.0 2345.6,1632.1 2325.6,756.4 5372.4,791.3 5378.0,0.0 6452.0,0.0 6452.0,6795.5 5185.3,6808.9 5179.2,7029.6 1207.0,6957.4 1200.4,1632.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0416/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27827577406755,35.01228353642485]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27182975234831,35.00998091799733]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2752028053595,35.003556326520275]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28164882707874,35.005858944947796]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0417/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p417","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0417/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0417/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5725.7,7057.5 5716.0,7244.0 3750.9,7236.7 3753.7,7796.0 -0.0,7796.0 0.0,-0.0 3436.2,0.0 4261.9,1253.1 4147.6,1334.4 5600.0,1321.3 6007.7,1937.5 5092.8,2546.3 6556.0,4790.3 6556.0,6497.8 5725.7,7057.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0417/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5716.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2963438,35.0045348]}},{"type":"Feature","properties":{"resourceCoords":[3728.0,4768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2972266,35.007324]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p418 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"31"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3975.1,4577.7 4101.8,4776.1 4090.2,5083.6 4326.4,4916.1 4318.8,4125.6 6190.2,4124.2 6190.6,3643.8 6452.0,3646.9 6452.0,3465.0 5977.4,3463.1 5980.3,2635.5 6221.5,2635.6 6215.6,602.5 4140.0,608.0 4129.7,1366.9 262.3,1348.5 668.9,1974.7 -0.0,2411.9 -0.0,2993.1 1978.4,6070.2 2917.3,5443.5 2830.8,5309.0 3975.1,4577.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6208.0,1616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2879178,35.007109]}},{"type":"Feature","properties":{"resourceCoords":[4140.0,608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2895482,35.0086852]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p418 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"4318.8"},{"label":"split_canvas_y","value":"4124.0"},{"label":"split_canvas_w","value":"2133.2"},{"label":"split_canvas_h","value":"3672.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4998.9,7507.2 5003.9,7796.0 6452.0,7796.0 6452.0,4124.0 4318.8,4125.6 4334.8,5796.9 4958.0,5826.1 4917.0,7501.4 4998.9,7507.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0418__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4958.0,5826.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2774425,34.9987933]}},{"type":"Feature","properties":{"resourceCoords":[4958.0,7504.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2781568,34.9973727]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0419/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p419","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0419/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0419/info.json","type":"ImageService2","height":7796,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3119.9,772.1 4762.4,1855.1 4872.7,1704.3 5003.3,1677.5 6072.1,1689.1 6065.6,4458.1 6556.0,4465.8 6556.0,5873.9 6072.2,5872.1 6076.3,6093.8 2037.2,6109.5 945.5,7796.0 -0.0,7796.0 -0.0,0.0 916.6,0.0 2815.6,1242.1 3119.9,772.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0419/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4536.0,4472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2961401,35.0021593]}},{"type":"Feature","properties":{"resourceCoords":[1760.0,6536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2988205,34.9999174]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0420/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p420","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0420/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0420/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"361.1,7796.0 -0.0,7557.6 -0.0,1678.0 841.7,1681.2 1942.9,0.0 6452.0,0.0 6452.0,3956.1 6054.8,3952.4 6057.9,5349.5 6452.0,5346.2 6452.0,5646.0 5637.7,5644.6 5638.1,6747.4 6452.0,6754.6 6452.0,7796.0 361.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0420/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.30069951545832,35.00006041847835]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29369342089454,35.000988445528336]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29233415588696,34.994004715591075]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29934025045074,34.99307668854109]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0421/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p421","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0421/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0421/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4444.2,7796.0 4438.8,6766.3 2487.2,6766.7 2492.8,7796.0 -0.0,7796.0 -0.0,6213.6 461.3,6211.9 442.0,390.9 6285.7,410.8 6407.0,7796.0 4444.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0421/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4436.0,3208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2855727,35.0067972]}},{"type":"Feature","properties":{"resourceCoords":[4436.0,6228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2862759,35.0055012]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0422/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p422","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0422/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0422/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6406.0,7796.0 274.3,7796.0 178.3,151.8 6296.3,240.7 6406.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0422/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28400743242506,35.00773927866647]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28080479773605,35.00656954402775]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28251826622409,35.003377465435385]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28572090091309,35.00454720007411]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0423/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p423","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0423/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0423/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6349.6,412.1 6264.9,6471.7 4026.5,6486.1 4004.4,7796.0 187.0,7796.0 107.1,339.4 6349.6,412.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0423/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28094077950684,35.00660826976289]}},{"type":"Feature","properties":{"resourceCoords":[6532.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27769446791241,35.00543548415514]}},{"type":"Feature","properties":{"resourceCoords":[6532.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27939134163914,35.00223945587166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28263765323356,35.00341224147941]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0424/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p424","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0424/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0424/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6468.0,7796.0 194.7,7796.0 411.5,321.1 3862.9,435.2 3879.5,0.0 6468.0,0.0 6468.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0424/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27801547006892,35.005506753866825]}},{"type":"Feature","properties":{"resourceCoords":[6468.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2747239407391,35.00436485430093]}},{"type":"Feature","properties":{"resourceCoords":[6468.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27639245147145,35.00109219895245]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.27968398080128,35.00223409851834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0425/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p425","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0425/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0425/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5016.3,110.8 6532.0,0.0 6532.0,5172.2 4734.7,7560.2 371.4,7397.1 428.5,5670.1 -0.0,5658.4 -0.0,4607.7 462.4,4645.3 5016.3,110.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0425/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29442101667736,35.00454710457715]}},{"type":"Feature","properties":{"resourceCoords":[6532.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29083030434147,35.005150065737745]}},{"type":"Feature","properties":{"resourceCoords":[6532.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28995791917431,35.0016148738834]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2935486315102,35.0010119127228]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0426/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p426","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0426/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0426/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1426.3 497.0,1430.4 495.7,1069.0 2141.9,1069.3 2136.0,0.0 4163.0,0.0 4225.6,1069.8 6207.3,1070.2 6212.6,1481.5 6468.0,1485.0 6468.0,7450.5 3.7,7429.6 -0.0,1426.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0426/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2144.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.287742,35.0050438]}},{"type":"Feature","properties":{"resourceCoords":[4368.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2879624,35.0021621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0427/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p427","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0427/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0427/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.7,1345.6 202.5,825.2 6532.0,855.2 6532.0,7796.0 4950.6,7796.0 4970.2,7353.8 458.5,7300.0 530.2,1348.2 208.7,1345.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0427/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2200.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2846962,35.0039059]}},{"type":"Feature","properties":{"resourceCoords":[2716.0,7320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2857699,35.0013462]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0428/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p428","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0428/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0428/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3952.7,6814.6 3944.9,7796.0 477.7,7796.0 531.4,1285.8 4016.3,1308.3 4039.6,0.0 6264.2,0.0 6176.5,6871.0 3952.7,6814.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0428/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3980.0,4948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.281457,35.0012052]}},{"type":"Feature","properties":{"resourceCoords":[232.0,4948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2833365,35.0018724]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0429/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p429","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0429/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0429/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"311.1,1550.7 6532.0,1407.9 6532.0,3433.3 5651.5,3462.5 5766.1,6920.0 327.0,6935.9 311.1,1550.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0429/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[344.0,5032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2803422,35.0007895]}},{"type":"Feature","properties":{"resourceCoords":[2588.0,2288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2786271,35.0014881]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0430/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p430","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0430/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0430/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"782.2,7372.7 803.3,3723.9 356.9,3697.4 340.6,355.5 4737.2,375.6 4758.6,3760.2 4924.2,3766.7 4952.3,4349.5 6468.0,4302.8 6468.0,7438.2 782.2,7372.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0430/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5068.0,7420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2788701,34.9958183]}},{"type":"Feature","properties":{"resourceCoords":[768.0,5552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2806193,34.997388]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0431/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p431","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0431/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0431/info.json","type":"ImageService2","height":7796,"width":6532},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6532.0,337.0 6532.0,7626.2 6346.0,7635.3 6454.7,7796.0 3059.6,7796.0 446.0,3821.8 520.0,324.0 6532.0,337.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0431/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2901635,35.0029642]}},{"type":"Feature","properties":{"resourceCoords":[4956.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2879624,35.0021621]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0432/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p432","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0432/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0432/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"962.7,7474.4 887.2,327.9 5940.0,328.0 5878.0,7426.3 962.7,7474.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0432/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3748.0,3736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2865273,34.9999259]}},{"type":"Feature","properties":{"resourceCoords":[5940.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2846374,35.0009183]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0433/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p433","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0433/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0433/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"520.4,1872.5 2105.5,1878.2 2107.3,1367.9 5540.8,1351.9 5535.3,3017.7 6025.7,4294.6 6061.1,7796.0 388.7,7796.0 520.4,1872.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0433/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3924.0,7424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2842582,34.9978231]}},{"type":"Feature","properties":{"resourceCoords":[5544.0,380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2818765,35.0004436]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0434/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p434","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"23"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0434/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0434/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5683.8,7476.5 1360.4,7440.3 1296.0,4299.6 790.5,3015.8 777.4,355.0 5232.3,377.7 5251.0,3758.7 5702.8,3785.0 5683.8,7476.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0434/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3520.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2821011,34.9970346]}},{"type":"Feature","properties":{"resourceCoords":[3000.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2807736,35.0000246]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0435/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p435","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0435/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0435/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1177.1,3085.2 1887.5,2620.8 1886.1,1406.1 1043.3,123.8 5894.2,98.1 5895.2,6486.6 6167.7,6486.5 6169.5,7796.0 2732.6,7796.0 -0.0,3669.5 -0.0,3080.5 1177.1,3085.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0435/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1888.0,3088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2891301,34.9975702]}},{"type":"Feature","properties":{"resourceCoords":[6228.0,3088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2869612,34.9967718]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0436/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p436","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0436/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0436/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,1430.2 302.9,1429.9 329.5,669.6 6008.3,620.9 6013.7,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0436/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6008.0,5084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2842664,34.9954472]}},{"type":"Feature","properties":{"resourceCoords":[6008.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2831733,34.9974407]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0437/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p437","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0437/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0437/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"584.3,7796.0 504.3,159.8 6476.0,162.7 6476.0,5139.9 5590.8,5149.6 5592.2,7749.7 584.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0437/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,5064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2842664,34.9954472]}},{"type":"Feature","properties":{"resourceCoords":[4888.0,2620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.281567,34.9956278]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0438/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p438","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0438/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0438/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"886.5,220.5 5039.3,221.5 5037.1,0.0 6508.0,0.0 6508.0,7796.0 -0.0,7796.0 -0.0,5199.6 883.9,5190.4 886.5,220.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0438/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,5184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2810495,34.9941997]}},{"type":"Feature","properties":{"resourceCoords":[5856.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2777633,34.9953979]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p439 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4069.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2938.2,7554.3 3099.0,6794.3 3494.8,4045.0 3187.2,3983.3 3674.4,1555.9 1546.1,1125.1 442.2,6671.5 141.7,7204.7 381.5,7796.0 980.7,7796.0 2168.8,7435.0 2938.2,7554.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.1,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2897348,34.9953341]}},{"type":"Feature","properties":{"resourceCoords":[1076.3,3560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2895863,34.9942708]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p439 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"2954.8"},{"label":"split_canvas_y","value":"3308.4"},{"label":"split_canvas_w","value":"3521.2"},{"label":"split_canvas_h","value":"4487.6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5832.5,7796.0 6476.0,6808.2 6476.0,5505.2 3738.1,3728.1 3753.6,7631.1 4033.4,7202.7 5009.5,7796.0 5832.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0439__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3742.2,4600.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2904736,34.99907]}},{"type":"Feature","properties":{"resourceCoords":[3742.2,7364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2902301,34.9978079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0440/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p440","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0440/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0440/info.json","type":"ImageService2","height":7796,"width":6508},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"469.2,4278.3 -0.0,4278.4 -0.0,620.0 5784.0,626.9 5865.1,7244.4 439.0,7185.3 469.2,4278.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0440/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4036.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2858509,34.9944582]}},{"type":"Feature","properties":{"resourceCoords":[2316.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2867078,34.9947725]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0441/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p441","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0441/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0441/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"689.3,7475.2 600.8,500.1 5414.8,506.1 5421.8,994.4 6460.0,999.5 6391.5,7495.2 689.3,7475.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0441/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4932.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2828091,34.9933358]}},{"type":"Feature","properties":{"resourceCoords":[600.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2849825,34.9941332]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0442/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p442","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0442/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0442/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"945.4,7516.2 -0.0,501.2 6524.0,659.8 6524.0,7796.0 2232.8,7796.0 1919.5,7602.6 945.4,7516.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0442/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3704.0,4200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2813932,34.9912607]}},{"type":"Feature","properties":{"resourceCoords":[3704.0,7376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.282083,34.9899494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0443/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p443","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0443/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0443/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1089.2,7042.0 991.0,7044.0 988.5,5971.5 -0.0,5958.3 0.0,-0.0 1495.0,0.0 1496.0,354.5 3749.5,319.2 3748.5,0.0 6460.0,0.0 6460.0,469.7 5950.2,1096.3 5990.8,6940.6 3797.6,6985.9 3787.1,5973.9 1040.2,5962.6 1089.2,7042.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0443/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1496.0,3144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2938956,35.0037421]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2941299,35.0049779]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0444/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p444","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0444/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0444/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"809.8,7392.4 896.1,2215.8 -0.0,2202.8 -0.0,1753.4 980.5,1771.1 1013.0,0.0 1552.2,0.0 1537.7,1781.1 3817.2,1822.2 3836.2,0.0 6042.3,0.0 5957.0,7464.8 809.8,7392.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0444/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1516.0,4624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2931314,34.9999759]}},{"type":"Feature","properties":{"resourceCoords":[6024.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2909723,35.0015559]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0445/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p445","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0445/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0445/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5749.9 -0.0,2910.7 801.5,2918.0 807.8,66.3 5964.6,63.5 5966.3,7796.0 1455.8,7796.0 1458.0,5737.4 -0.0,5749.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0445/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1460.0,2924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2926488,34.9974888]}},{"type":"Feature","properties":{"resourceCoords":[5964.0,5724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2899816,34.9965758]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0446/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p446","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0446/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0446/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.4,1822.9 -0.0,1813.4 -0.0,-0.0 1867.1,0.0 1867.9,1167.0 5519.0,1161.0 5519.9,1483.4 6475.7,2110.6 4093.7,5738.5 3727.2,6032.5 3729.2,6522.1 4156.2,6693.2 5105.7,6775.3 5619.8,7079.9 5131.2,7796.0 -0.0,7796.0 -0.0,3537.6 1328.7,3535.2 1329.4,1822.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0446/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3728.0,2560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2908423,34.9947444]}},{"type":"Feature","properties":{"resourceCoords":[3728.0,6656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.290407,34.9925134]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0447/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p447","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0447/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0447/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3726.5 -0.0,1905.8 600.4,1506.7 617.2,0.0 6007.4,0.0 6065.7,6516.4 5801.9,6513.6 5800.5,6513.6 1861.1,6471.8 -0.0,3726.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0447/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28930829657747,34.99274818404778]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28608435105971,34.9915309525086]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28786486543021,34.98832103381264]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.29108881094797,34.98953826535182]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0448/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p448","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0448/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0448/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5995.5,386.6 5958.3,4428.6 6524.0,4433.9 6524.0,7796.0 5640.4,7796.0 5121.7,6652.2 2832.1,7796.0 251.7,7796.0 253.0,7070.2 -0.0,6520.1 253.9,6526.4 264.6,348.2 5995.5,386.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0448/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2428.0,4440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2862239,34.9893832]}},{"type":"Feature","properties":{"resourceCoords":[2428.0,2352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.28576,34.9902383]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0449/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p449","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0449/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0449/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"265.2,4748.4 354.1,295.9 413.6,701.1 1397.1,781.4 1713.6,973.6 6045.7,945.2 6044.7,0.0 6460.0,0.0 6460.0,7796.0 803.0,7796.0 834.3,4756.4 265.2,4748.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0449/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28355842344469,34.99074418192324]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28034106014584,34.98958879392841]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28203106960854,34.98638534766954]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28524843290738,34.98754073566437]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0451/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p451","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0451/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0451/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3240.3,624.9 3240.5,0.0 6255.3,0.0 6249.4,6192.4 6460.0,6193.8 6460.0,7796.0 -0.0,7796.0 0.0,0.0 190.9,0.0 204.5,629.8 3240.3,624.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0451/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6256.0,2544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2912668,34.9867428]}},{"type":"Feature","properties":{"resourceCoords":[6256.0,608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2912893,34.9876125]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0452/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p452","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0452/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0452/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"793.8,376.2 5180.9,736.0 5955.7,2705.5 6284.4,4704.9 4841.6,4588.5 4536.5,7796.0 -0.0,7796.0 -0.0,7598.0 408.8,7631.4 540.4,6017.9 328.4,5999.2 793.8,376.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0452/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5180.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2888991,34.9876531]}},{"type":"Feature","properties":{"resourceCoords":[3368.0,6268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2895709,34.9851233]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0453/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p453","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0453/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0453/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"927.9,2560.3 -0.0,696.0 607.2,718.9 1075.7,0.0 6460.0,0.0 6460.0,7796.0 -0.0,7796.0 -0.0,4519.2 1442.9,4498.8 927.9,2560.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0453/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.2888873323403,34.98796460571484]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28536818108371,34.98798720144023]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28533513082219,34.98448317038818]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.28885428207877,34.9844605746628]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0455__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p455 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6472.0"},{"label":"split_canvas_h","value":"4692.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0455__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0455/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"245.8,4396.8 5237.2,4403.1 5708.1,3686.6 6472.0,3692.2 6472.0,2862.4 6166.7,2721.2 6472.0,2078.6 6472.0,1458.9 3511.2,0.0 210.3,0.0 245.8,4396.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0455__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3256.0,4376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2896396,34.9876423]}},{"type":"Feature","properties":{"resourceCoords":[3256.0,2460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2896555,34.9885022]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0701/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p701","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0701/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0701/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3108.9,6665.2 2611.0,6374.8 -0.0,6300.4 -0.0,0.0 5969.3,0.0 5712.5,6463.2 3772.6,6806.7 3108.9,6665.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0701/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3800.0,5176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3213918,35.0212932]}},{"type":"Feature","properties":{"resourceCoords":[5728.0,5176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.320425,35.0209496]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0702/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p702","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0702/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0702/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6191.4,6832.9 3974.3,6948.7 3538.7,7796.0 -0.0,7796.0 -0.0,0.0 2981.9,0.0 3781.7,382.5 4155.3,398.6 4150.1,0.0 6084.5,0.0 6191.4,6832.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0702/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4188.0,3480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.322457,35.019374]}},{"type":"Feature","properties":{"resourceCoords":[6172.0,5608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3219687,35.018136]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p703 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"450.4,1926.0 420.0,3328.0 403.5,7362.1 4938.4,7306.9 5123.7,7001.4 5104.7,2092.7 3813.6,2110.0 910.4,575.6 923.6,0.0 525.7,0.0 506.4,1816.5 450.4,1926.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[420.0,3328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.320425,35.0209496]}},{"type":"Feature","properties":{"resourceCoords":[2400.0,7324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3202199,35.0169376]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p703 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"910.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5561.6"},{"label":"split_canvas_h","value":"2110.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6469.1,1489.4 6472.0,-0.0 1318.2,-0.0 1314.8,636.2 1572.4,720.6 1494.3,884.2 3813.6,2110.0 6116.2,2079.2 6032.2,2002.9 6469.1,1489.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0703__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2241.8,940.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3263312,35.008074]}},{"type":"Feature","properties":{"resourceCoords":[1298.2,604.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3275529,35.0080934]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0704/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p704","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0704/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0704/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7407.7 -0.0,-0.0 6544.0,0.0 6544.0,7796.0 6375.0,7796.0 6246.0,7456.8 6009.8,7362.0 -0.0,7407.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0704/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5116.0,2312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3099946,35.0183263]}},{"type":"Feature","properties":{"resourceCoords":[3060.0,7348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3143361,35.0148864]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0705/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p705","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0705/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0705/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6062.7,7796.0 6089.3,6603.1 5651.2,6593.3 5343.9,7191.7 2070.4,7160.0 2221.7,6516.8 -0.0,6467.2 0.0,0.0 107.4,0.0 121.6,1386.5 3609.9,1350.9 4030.8,511.3 6215.2,374.8 6378.7,7796.0 6062.7,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0705/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6264.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3225918,35.016993]}},{"type":"Feature","properties":{"resourceCoords":[2072.0,7160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3259408,35.0156773]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0706/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p706","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0706/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0706/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"938.0,3734.2 1286.7,3720.1 1114.7,1699.5 386.8,1765.1 872.7,0.0 6544.0,0.0 6544.0,4061.3 5920.0,3929.2 5959.8,7089.2 6544.0,7373.0 6544.0,7796.0 481.6,7796.0 441.1,6662.0 938.0,3734.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0706/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1788.0,3700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3271332,35.0139951]}},{"type":"Feature","properties":{"resourceCoords":[4844.0,3700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3263379,35.0152755]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0707/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p707","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0707/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0707/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"848.6,7796.0 818.2,7000.4 675.9,6998.1 810.8,4399.9 972.3,4404.6 1000.8,607.9 5776.1,545.9 5735.2,7056.3 5158.1,7058.9 5141.5,7796.0 848.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0707/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5880.0,7048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3202517,35.0106591]}},{"type":"Feature","properties":{"resourceCoords":[3028.0,568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3202199,35.0169376]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0708/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p708","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0708/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0708/info.json","type":"ImageService2","height":7796,"width":6544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7047.9 -0.0,665.0 6088.7,522.7 6328.3,614.1 6462.2,953.1 6544.0,951.8 6544.0,6592.5 6467.8,6592.4 6455.3,7024.3 -0.0,7047.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0708/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31718884895625,35.01651256749202]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31065072827428,35.01405438417242]}},{"type":"Feature","properties":{"resourceCoords":[6544.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3142012211094,35.00762993882449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32073934179137,35.0100881221441]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0709/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p709","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0709/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0709/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3284.1,7389.0 2288.0,7400.0 2306.7,7157.8 -0.0,7114.8 -0.0,0.0 3608.6,0.0 5386.2,634.9 5592.7,7796.0 3276.6,7796.0 3284.1,7389.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0709/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6304.0,5716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3291193,35.011616]}},{"type":"Feature","properties":{"resourceCoords":[2288.0,7400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3314521,35.0116395]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0710/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p710","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0710/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0710/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7691.7 -0.0,0.0 2113.4,0.0 2095.4,361.5 5087.7,1132.2 6548.0,1203.7 6548.0,7796.0 2870.0,7796.0 2765.4,7437.1 779.9,7341.9 770.3,7710.0 -0.0,7691.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0710/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32833118450382,35.014139805773354]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32499056440044,35.013029537842485]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32659320668608,35.0097490033524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32993382678947,35.010859271283266]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0711__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p711 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6464.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0711__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0711/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6464.0,4886.2 6464.0,576.2 4574.0,611.4 4574.0,210.0 3592.0,239.2 3606.0,0.0 -0.0,0.0 0.0,4832.8 2317.6,4830.0 2356.8,7796.0 6464.0,7796.0 6464.0,7259.2 6229.2,7314.0 6464.0,7140.7 6464.0,4939.3 6464.0,4886.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0711__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4576.0,208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3309602,35.01147]}},{"type":"Feature","properties":{"resourceCoords":[4576.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.331316,35.0108314]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0712/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p712","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0712/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0712/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"849.2,7007.8 817.2,609.2 1989.3,575.1 1979.3,202.9 3990.2,193.1 4115.0,550.1 6548.0,421.6 6548.0,3032.3 6106.9,3173.6 6285.8,5079.9 849.2,7007.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0712/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33037163284838,35.01137526664723]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32714420218554,35.01013570650047]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32893341157612,35.00696621438271]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33216084223896,35.008205774529465]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0713/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p713","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0713/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0713/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,590.0 380.5,720.5 554.3,222.6 911.3,13.6 317.4,198.3 248.3,0.0 5718.8,0.0 5684.0,1128.1 6191.6,1143.8 6286.4,7413.2 3719.0,7533.0 3428.1,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0713/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33190721130102,35.0083926291237]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32837027906815,35.00811467043232]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3287766899127,35.00459596691948]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33231362214556,35.00487392561086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p714 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6548.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"795.4,1134.1 494.5,7426.0 6444.8,6976.9 6400.9,7796.0 6548.0,7796.0 6548.0,2992.4 4178.4,3031.6 4154.2,2993.9 4126.5,3004.1 2940.7,1338.6 795.4,1134.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1932.0,3172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.327987,35.0066746]}},{"type":"Feature","properties":{"resourceCoords":[2984.0,6956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3274748,35.0049536]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p714 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3628.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2920.0"},{"label":"split_canvas_h","value":"3031.6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6548.0,1691.6 5943.1,1770.9 5333.3,488.0 6357.8,-0.0 4665.1,-0.0 4253.9,1870.8 3657.8,1889.2 3663.2,2229.6 4178.4,3031.6 6548.0,2992.4 6548.0,1691.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0714__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32864910212115,35.00898732766179]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32707492423177,35.00882307345616]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,3031.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3272816892743,35.00747477548118]}},{"type":"Feature","properties":{"resourceCoords":[3628.0,3031.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32885586716367,35.00763902968681]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0715/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p715","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0715/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0715/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,666.9 3304.8,735.5 3601.8,475.8 5576.7,424.0 5510.8,6858.8 1205.2,6971.2 1227.3,7796.0 -0.0,7796.0 -0.0,666.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0715/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4352.0,3640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.329985,35.0033925]}},{"type":"Feature","properties":{"resourceCoords":[6152.0,6996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3291395,35.0018313]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0716/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p716","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0716/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0716/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6548.0,0.0 6548.0,6991.4 4694.2,7024.8 3467.3,7310.4 -0.0,7299.0 -0.0,794.7 3074.9,166.3 6548.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0716/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32914696524897,35.00514773076233]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32556949275188,35.004893939654366]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3259357943124,35.00138043724277]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32951326680949,35.00163422835074]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0717/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p717","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0717/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0717/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2853.4,7796.0 1283.0,7796.0 1065.8,6831.1 -0.0,6786.3 0.0,0.0 4907.9,0.0 4903.1,151.5 6359.3,228.6 6225.5,7439.5 2866.4,7406.1 2853.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0717/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33184014934031,35.00200840822827]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32828985074642,35.00186644100117]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3284983126606,34.998318814839145]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33204861125449,34.998460782066246]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0718/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p718","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0718/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0718/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2001.7,7580.0 454.2,7565.9 448.4,256.6 1814.2,265.1 1803.6,0.0 6548.0,0.0 6548.0,7796.0 2011.9,7796.0 2001.7,7580.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0718/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32857264337265,35.0018928377541]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3250126267216,35.001693501612394]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32530032106153,34.998197005265034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32886033771258,34.99839634140674]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0719/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p719","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0719/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0719/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5934.7,401.7 5983.4,4667.3 5451.1,7112.5 3781.1,6725.2 3855.8,6209.2 -0.0,6343.9 0.0,0.0 2278.6,0.0 2541.1,973.2 4140.9,980.9 4136.7,508.3 5934.7,401.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0719/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33266452863562,34.99896839777166]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.329191297977,34.99870838424613]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3295730822519,34.99523763594769]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33304631291051,34.99549764947322]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0720/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p720","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"29"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0720/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0720/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.8,4751.8 525.2,553.1 3632.4,556.6 3645.7,770.3 6548.0,729.8 6548.0,6901.5 6548.0,6907.1 3963.2,6020.6 215.2,6204.5 540.8,4751.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0720/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1712.0,7568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3291461,34.9953302]}},{"type":"Feature","properties":{"resourceCoords":[2392.0,5472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3286725,34.996254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0721/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p721","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0721/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0721/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,6099.3 0.0,0.0 6436.0,0.0 6436.0,4045.0 5928.6,3954.3 5488.1,5580.6 6436.0,5819.5 6436.0,7629.9 0.0,6099.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0721/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3348.0,3420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3313283,34.9946706]}},{"type":"Feature","properties":{"resourceCoords":[3348.0,6832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3294485,34.9945843]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0722/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p722","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0722/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0722/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,6970.2 0.0,632.8 6548.0,2212.7 6548.0,4181.2 5573.7,6786.1 6548.0,6814.9 6548.0,7796.0 1013.8,7796.0 1169.4,7124.4 0.0,6970.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0722/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3288.0,5488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3272127,34.9944643]}},{"type":"Feature","properties":{"resourceCoords":[476.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.329904,34.9933248]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0723/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p723","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0723/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0723/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1089.0,6886.3 1085.1,6451.9 -0.0,6495.5 -0.0,1483.0 5722.2,1280.2 5711.2,6211.0 4354.5,6161.9 4381.4,6758.5 1089.0,6886.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0723/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33308452989128,34.993900140690535]}},{"type":"Feature","properties":{"resourceCoords":[6420.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3296151996629,34.9936389016809]}},{"type":"Feature","properties":{"resourceCoords":[6420.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32999971548469,34.99016319547754]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33346904571307,34.990424434487174]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0724/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p724","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0724/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0724/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1357.2 6491.2,1042.2 5400.3,6594.4 1326.3,6760.8 1310.1,6181.5 -0.0,6244.7 -0.0,1357.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0724/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32998625107449,34.993706875256365]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3264171257517,34.99343147975993]}},{"type":"Feature","properties":{"resourceCoords":[6548.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32681455367337,34.98992568429131]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.33038367899616,34.990201079787745]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0725/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p725","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0725/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0725/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"633.1,6972.9 609.9,4033.6 0.0,3938.2 0.0,0.0 6420.0,0.0 6420.0,3810.3 5986.1,3797.1 5981.5,7066.8 633.1,6972.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0725/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[640.0,5664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3319658,34.9883511]}},{"type":"Feature","properties":{"resourceCoords":[3796.0,3744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.332926,34.9898071]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0726/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p726","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"17"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0726/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0726/info.json","type":"ImageService2","height":7796,"width":6548},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"688.0,4401.1 732.7,573.5 6548.0,698.1 6548.0,3344.5 5965.6,3333.1 5935.4,7400.5 438.8,6306.0 0.0,5608.5 0.0,4910.1 682.1,4904.9 688.0,4401.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0726/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5060.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3310752,34.990258]}},{"type":"Feature","properties":{"resourceCoords":[6064.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3310502,34.9907087]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0727/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p727","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0727/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0727/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6420.0,649.4 6420.0,7796.0 -0.0,7796.0 -0.0,1263.5 3408.1,1270.0 3503.6,666.7 6420.0,649.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0727/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5116.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3319658,34.9883511]}},{"type":"Feature","properties":{"resourceCoords":[5304.0,4116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.331957,34.986775]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0728/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p728","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0728/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0728/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2158.1,536.0 6564.0,621.1 6564.0,7796.0 2084.0,7796.0 2158.1,536.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0728/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[984.0,4076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.331957,34.986775]}},{"type":"Feature","properties":{"resourceCoords":[4544.0,4076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3300362,34.9867156]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p729 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2713.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2706.0,0.0 0.0,0.0 0.0,7796.0 2713.6,7796.0 2706.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1244.7,5544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3263603,34.9943938]}},{"type":"Feature","properties":{"resourceCoords":[808.5,2092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3264832,34.9975292]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p729 [2]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"2706.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3714.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6420.0,0.0 2928.5,0.0 2983.9,920.8 2713.4,7612.4 2713.6,7795.6 4530.2,7700.7 4550.2,7545.1 5661.7,7796.0 6294.9,7693.8 6420.0,7599.1 6420.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0729__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2989.8,4532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3276818,34.9895932]}},{"type":"Feature","properties":{"resourceCoords":[2989.8,2452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3270574,34.9913692]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0730/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p730","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0730/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0730/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6564.0,0.0 6564.0,7796.0 -0.0,7796.0 -0.0,7643.8 1106.2,7742.3 1706.0,7562.8 1815.3,7455.7 873.7,150.0 -0.0,265.9 0.0,-0.0 6564.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0730/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3235626511676,34.99306853198453]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31686203624085,34.99066252253065]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32032558854415,34.984096584859834]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32702620347091,34.98650259431371]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0731/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p731","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0731/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0731/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"744.1,7440.9 702.5,5842.2 0.0,5839.6 0.0,1303.6 600.7,1932.9 591.7,1584.1 2075.4,1500.4 3647.2,0.0 6251.6,0.0 6409.2,7331.6 744.1,7440.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0731/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3264.0,7392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3179536,35.0082343]}},{"type":"Feature","properties":{"resourceCoords":[6304.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3202517,35.0106591]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0732__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p732 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5447.6"},{"label":"split_canvas_w","value":"6564.0"},{"label":"split_canvas_h","value":"2348.4"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0732__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0732/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"736.0,5867.0 750.8,7412.4 4674.2,7396.9 4669.8,7231.8 5755.4,7238.4 5758.0,7378.6 6564.0,7393.2 6564.0,6573.8 5753.5,6563.0 5676.2,5861.2 6564.0,5859.1 6564.0,5447.6 3945.7,5468.7 3937.1,5867.7 736.0,5867.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0732__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[736.0,5867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3172336,35.0095452]}},{"type":"Feature","properties":{"resourceCoords":[3136.0,5867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3147628,35.0086115]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0733/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p733","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"19"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0733/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0733/info.json","type":"ImageService2","height":7796,"width":6420},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.0,346.3 5774.5,292.4 5819.3,7316.9 1954.1,7371.6 1947.9,7128.6 97.7,7170.0 111.7,7796.0 -0.0,7796.0 -0.0,2993.0 1648.0,2944.0 1586.0,346.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0733/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1924.0,6200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.319152,35.0058279]}},{"type":"Feature","properties":{"resourceCoords":[1648.0,2944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3185284,35.0071832]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0734/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p734","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0734/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0734/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4010.9,7309.7 -0.0,7346.1 -0.0,397.6 3985.7,342.7 3974.4,0.0 6224.0,0.0 6251.2,2509.9 6584.0,2954.2 6220.3,3096.7 6337.8,7796.0 4000.3,7796.0 4010.9,7309.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0734/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1896.0,3108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3155849,35.0059967]}},{"type":"Feature","properties":{"resourceCoords":[6304.0,5784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3140227,35.0040725]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0735/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p735","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0735/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0735/info.json","type":"ImageService2","height":7796,"width":6404},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6343.9,283.6 6339.7,6381.9 5808.6,7796.0 -0.0,7796.0 -0.0,0.0 1815.3,0.0 1816.1,238.5 6343.9,283.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0735/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1808.0,2548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3199369,35.0044031]}},{"type":"Feature","properties":{"resourceCoords":[4912.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.317856,35.0047725]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0736/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p736","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0736/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0736/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6028.1,0.0 6584.0,0.0 6584.0,6782.3 1455.2,6759.1 582.6,6416.2 576.2,414.0 3766.3,421.4 3749.3,895.8 6030.5,928.2 6028.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0736/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2512.0,6788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3176237,35.0014632]}},{"type":"Feature","properties":{"resourceCoords":[6032.0,1512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3146074,35.0030053]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0737/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p737","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0737/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0737/info.json","type":"ImageService2","height":7796,"width":6404},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5576.0,6551.1 1129.5,6612.7 1114.7,5674.6 1727.4,5658.8 1698.6,0.0 4917.9,0.0 5515.8,750.9 5521.5,351.8 6404.0,361.4 6404.0,7796.0 5619.5,7796.0 5576.0,6551.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0737/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31510184840148,35.003350133559024]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31191009847325,35.00213569701384]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31370228493536,34.998930449980115]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3168940348636,35.0001448865253]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0738/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p738","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0738/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0738/info.json","type":"ImageService2","height":7796,"width":6584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5600.0,4812.0 4895.2,4812.0 4927.2,7796.0 -0.0,7796.0 -0.0,6244.1 1705.9,6238.4 1701.1,4812.0 1128.0,4812.0 1149.7,0.0 5568.1,0.0 5600.0,4812.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0738/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1128.0,4812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3171663,34.9984293]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,4812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3149032,34.9975994]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0739/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p739","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0739/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0739/info.json","type":"ImageService2","height":7796,"width":6404},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5350.2,1121.7 5412.3,3754.2 6155.5,4101.0 6404.0,4405.2 6404.0,7796.0 -0.0,7796.0 -0.0,1107.7 5400.2,976.7 5350.2,1121.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0739/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32155658247241,35.00294833537757]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3183833609712,35.00170305764843]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.32022105182479,34.998516401749576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.323394273326,34.999761679478716]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0740/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p740","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0740/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0740/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4380.8 -0.0,1759.0 587.4,217.7 1466.0,569.8 6037.1,632.5 5991.8,6369.9 6564.0,6371.9 6564.0,7796.0 901.3,7796.0 965.6,5056.5 726.9,4746.9 -0.0,4380.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0740/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6048.0,3348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.316457,34.999675]}},{"type":"Feature","properties":{"resourceCoords":[3740.0,616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3170131,35.0012363]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p741 [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"47"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2632.5,7588.7 6077.5,7411.3 6436.0,6842.2 6436.0,0.0 2450.8,0.0 2490.0,1998.0 60.5,2037.4 456.6,6577.3 737.6,7190.5 2632.5,7588.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[456.0,6052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3140227,35.0040725]}},{"type":"Feature","properties":{"resourceCoords":[5028.0,7404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3100264,35.0012581]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p741 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2490.0"},{"label":"split_canvas_h","value":"2038.4"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,2038.4 2490.0,1998.0 2450.8,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0741__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31889322929139,34.992946622873966]}},{"type":"Feature","properties":{"resourceCoords":[2490.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31765849047515,34.99246252713388]}},{"type":"Feature","properties":{"resourceCoords":[2490.0,2038.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.31814294465356,34.99163569391793]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3193776834698,34.99211978965801]}},{"type":"Feature","properties":{"resourceCoords":[2430.0,1974.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.318157,34.9916741]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0742/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p742","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0742/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0742/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.3,4224.3 832.9,515.8 3832.0,564.0 3841.5,0.0 6564.0,0.0 6564.0,7796.0 -0.0,7796.0 -0.0,6000.2 353.1,6003.9 372.8,4214.8 762.3,4224.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0742/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,3144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3136375,34.9999753]}},{"type":"Feature","properties":{"resourceCoords":[3832.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3089716,35.0008623]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0743__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p743 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2891.2"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"2495.6"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0743__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0743/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6436.0,5380.8 6436.0,2891.2 0.0,2892.4 0.0,4238.8 1532.4,4243.2 1529.2,5386.8 3385.2,5384.4 6436.0,5380.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0743__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2336.0,3238.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3345586,34.9856589]}},{"type":"Feature","properties":{"resourceCoords":[3232.0,3238.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3335658,34.985603]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0744__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p744 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6564.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0744__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0744/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4493.5,6536.5 5123.2,6216.3 5287.7,6902.9 5511.6,7401.5 5391.6,7796.0 6564.0,7796.0 6564.0,3179.2 5383.6,3186.4 5348.4,2111.2 6564.0,2097.6 6564.0,0.0 0.0,0.0 -0.0,6080.4 3074.2,5859.2 3178.1,7578.8 3535.4,7257.7 4254.8,7631.2 4385.6,6493.6 4493.5,6536.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0744__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2068.0,3332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3461119,35.0076008]}},{"type":"Feature","properties":{"resourceCoords":[4244.0,7848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3449051,35.0032557]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0745/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p745","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0745/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0745/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"792.1,6434.7 247.5,6372.5 -0.0,6563.9 0.0,-0.0 6436.0,0.0 6405.9,2199.0 5987.6,2404.0 5180.5,2642.4 5172.5,3216.0 6436.0,3905.9 6436.0,5621.7 6222.7,5873.9 6215.1,6376.9 4996.0,6619.6 4505.7,6963.8 3808.4,7796.0 1486.4,7796.0 1605.4,7200.2 1400.0,7231.9 1107.4,6952.4 910.0,6534.4 810.1,6512.1 792.1,6434.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0745/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3526427386668,35.00609953599389]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34566041685,35.00521083537035]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34696538338552,34.99823385402493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.35394770520233,34.99912255464847]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0746/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p746","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0746/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0746/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6564.0,7796.0 3172.3,7796.0 -0.0,6774.9 -0.0,2611.4 2522.8,611.8 3281.4,377.4 4555.3,2034.4 4635.0,2039.0 4758.4,0.0 6564.0,0.0 6564.0,4647.2 6564.0,4647.2 6564.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0746/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3469967372332,35.0053086855903]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34002784350987,35.00433912095351]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3414237924512,34.99751137126788]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34839268617452,34.998480935904674]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0747/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p747","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"22"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0747/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0747/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,-0.0 160.8,0.0 176.4,209.7 405.5,0.0 923.9,0.0 1080.3,114.4 1308.1,519.2 1620.3,778.1 1822.4,731.6 1748.4,1337.3 4060.5,1169.9 4692.6,285.6 5035.6,0.0 6401.8,0.0 6048.6,1211.5 5755.2,3205.7 5941.6,3764.5 5733.5,4721.9 5679.8,5932.0 6073.0,7506.6 6347.7,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0747/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3536.0,5932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3515524,34.9945217]}},{"type":"Feature","properties":{"resourceCoords":[5680.0,5932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3492561,34.9940884]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0748/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chattanooga, Tennessee | 1950 | sanborn08291_013 p748","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T11:14:03Z","modified":"2026-09-21T11:14:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0748/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0748/info.json","type":"ImageService2","height":7796,"width":6564},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"953.8,7688.4 627.3,6353.5 584.1,5878.0 648.6,4883.8 872.4,3923.0 691.5,3358.9 1016.0,1356.2 1350.2,331.6 1382.3,0.0 2631.6,0.0 3135.8,314.2 3321.8,546.5 3453.7,992.4 6247.7,860.5 6303.4,0.0 6564.0,0.0 6564.0,7796.0 1054.1,7796.0 953.8,7688.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd396m:g3964m:g3964cm:g3964cm_g08291195004:08291_04_1950-0748/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34846051927657,34.999538910852856]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3414949479491,34.998288714264426]}},{"type":"Feature","properties":{"resourceCoords":[6564.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.34329481138363,34.99146372432886]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.3502603827111,34.99271392091729]}}]}}]}