{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08492_030.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dallas, Texas | 1952 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"49"},{"label":"placed","value":"32"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef 18, georef-snap 14"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 32.81970,-96.83433 +/-4607m); p904 (tier 4, 32.81970,-96.83433 +/-4607m); p905__1 (tier 2, 32.78809,-96.81519 +/-396m); p905__2 (tier 1, 32.79017,-96.81547 +/-319m); p908 (tier 1, 32.60287,-96.75645 +/-520m); p909__2 (tier 2, 32.78636,-96.82212 +/-148m); p911 (tier 4, 32.81970,-96.83433 +/-4607m); p913__2 (tier 2, 32.80949,-96.82084 +/-100m); p927 (tier 1, 32.83350,-96.84800 +/-256m); p931 (tier 2, 32.83742,-96.84986 +/-121m); p932 (tier 1, 32.78504,-96.81609 +/-540m); p935 (tier 2, 32.84794,-96.86392 +/-220m); p938__1 (tier 1, 32.81787,-96.83978 +/-138m); p938__3 (tier 2, 32.82272,-96.83892 +/-100m); p938__4 (tier 2, 32.82272,-96.83892 +/-100m); p938__5 (tier 2, 32.82272,-96.83892 +/-100m); p938__7 (tier 2, 32.82272,-96.83892 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0901/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p901","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0901/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0901/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5400.0 -0.0,-0.0 4352.0,0.0 4352.0,5400.0 -0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0901/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81722011631443,32.78534311414232]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81426475226482,32.786861654503014]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81203924025733,32.78375697245937]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81499460430695,32.78223843209868]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0902/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p902","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0902/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0902/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"446.4,224.7 3974.0,202.5 3942.0,4443.0 -0.0,4426.5 -0.0,4212.7 229.2,4212.4 246.5,3293.7 -0.0,3293.5 -0.0,225.2 254.0,224.7 250.2,386.1 445.3,386.0 446.4,224.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0902/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1920.0,3304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.816298,32.78676]}},{"type":"Feature","properties":{"resourceCoords":[1920.0,212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8176731,32.7886328]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0903/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p903","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0903/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0903/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,877.3 -0.0,-0.0 4352.0,0.0 4352.0,5400.0 4161.1,5400.0 4164.0,4948.0 524.8,4989.8 524.5,5156.2 323.3,5157.4 272.6,875.7 -0.0,877.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0903/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2024.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8190286,32.7904727]}},{"type":"Feature","properties":{"resourceCoords":[4164.0,4948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8161971,32.7894063]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0906/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p906","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0906/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0906/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.5,395.8 3381.8,379.6 3382.5,118.6 4352.0,132.0 4352.0,5400.0 -0.0,5400.0 -0.0,4480.9 145.4,4475.7 143.5,395.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0906/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8188417773743,32.78812985151283]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81702274688885,32.785624515310886]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82069452862397,32.783713611261994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82251355910942,32.78621894746394]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0907/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p907","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0907/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0907/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5063.9 -0.0,363.1 4182.7,305.9 4188.2,4626.7 4043.7,4631.9 4044.3,5400.0 3769.1,5400.0 3736.4,4643.1 2558.7,4685.9 -0.0,5063.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0907/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82041605903456,32.79053590221271]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81858749683552,32.788013093547136]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82228498144798,32.78609222598511]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82411354364702,32.78861503465068]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0909__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p909 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2356.4"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0909__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0909/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1924.2,5400.0 1900.5,3423.2 1689.8,1759.3 2303.5,1785.9 2276.8,0.0 0.0,0.0 -0.0,5400.0 1924.2,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0909__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1832.3,2724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8233353,32.7882322]}},{"type":"Feature","properties":{"resourceCoords":[1532.3,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.824374,32.789147]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0910/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p910","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0910/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0910/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,-0.0 4352.0,4101.6 4314.7,4083.1 3772.6,5156.6 4262.7,5400.0 -0.0,5400.0 -0.0,0.0 4352.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0910/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82713235905155,32.797817476219834]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82095546095466,32.79489484200856]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8252391620789,32.788406473850834]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83141606017578,32.79132910806211]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0912/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p912","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0912/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0912/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3384.4,5400.0 -0.0,5400.0 -0.0,3431.4 514.4,3424.1 374.3,-0.0 4352.0,-0.0 4352.0,4861.0 3382.7,4856.2 3384.4,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0912/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1644.0,2008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.821986,32.8109174]}},{"type":"Feature","properties":{"resourceCoords":[3088.0,2008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8211479,32.8102126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0913__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p913 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0913__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0913/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5400.0 4352.0,5400.0 4352.0,1224.0 3352.0,1229.2 3345.7,18.8 972.2,63.0 957.8,4866.4 -0.0,4858.8 -0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0913__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2584.0,2052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.819464,32.8087966]}},{"type":"Feature","properties":{"resourceCoords":[4020.0,4868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.820268,32.8066951]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0914/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p914","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0914/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0914/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"622.1,4174.9 807.6,-0.0 4352.0,-0.0 4352.0,3158.2 4256.8,3154.6 4250.8,4889.5 3990.3,4883.5 3967.4,5400.0 896.0,5400.0 943.1,4079.9 622.1,4174.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0914/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8231585883602,32.819633834105204]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8179889253125,32.815599974747926]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82390280751578,32.81017097194319]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82907247056347,32.814204831300465]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0915/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p915","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0915/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0915/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,-0.0 4352.0,4587.0 3797.5,5036.5 3520.7,4532.6 3209.0,4354.1 3207.1,4453.9 246.4,4485.4 261.6,614.6 1494.8,578.6 2303.2,-0.0 4352.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0915/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82669034366629,32.823567065672485]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82167346503687,32.81933124845532]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82788370387821,32.814062927210934]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83290058250763,32.8182987444281]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0916/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p916","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0916/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0916/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4094.6,0.0 4108.2,1400.2 4265.5,1411.9 4352.0,5400.0 -0.0,5400.0 -0.0,5288.8 566.3,5254.5 347.8,1642.5 818.1,1632.6 783.8,0.0 4094.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0916/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82439730459652,32.82014855855151]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81943149027008,32.82418759524118]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.81350970885445,32.8189729394252]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8184755231809,32.81493390273553]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p917 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2190.4"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"3209.6"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.3,2274.6 300.5,3131.9 931.9,3862.7 971.7,4310.9 4099.7,4077.9 4202.6,5400.0 4352.0,5400.0 4352.0,2190.4 719.6,2228.5 195.3,2274.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1392.0,4816.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.822416,32.820708]}},{"type":"Feature","properties":{"resourceCoords":[4128.0,3885.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8198972,32.8241832]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p917 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"2236.0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"416.2,592.9 0.0,596.8 0.0,994.4 0.0,1688.8 221.7,1651.9 266.5,2233.2 4352.0,2190.4 4352.0,1000.0 4352.0,-0.0 4235.2,-0.0 4227.6,464.5 416.0,517.7 416.2,592.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0917__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":[-96.82959850244762,32.824317489870644]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82451107423965,32.82856824120927]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,2236.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82191255207255,32.82637137609214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2236.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.82699998028052,32.822120624753516]}},{"type":"Feature","properties":{"resourceCoords":[3440.0,568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8249171,32.8271194]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0918/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p918","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0918/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0918/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4268.8,93.2 4182.0,3687.4 4352.0,3690.4 4352.0,5400.0 -0.0,5400.0 -0.0,0.0 4268.8,93.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0918/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83812876080908,32.822730672087275]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83320853495323,32.81880616955602]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83896230679203,32.81363930874438]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.84388253264788,32.81756381127563]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0919/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p919","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0919/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0919/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5400.0 -0.0,222.0 3472.0,220.0 3469.4,621.5 3692.3,487.6 3468.3,694.1 4352.0,715.2 4352.0,4126.3 4216.4,4303.2 3756.2,4539.6 4170.1,5025.9 4292.9,5400.0 -0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0919/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[456.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8368157,32.8158745]}},{"type":"Feature","properties":{"resourceCoords":[3472.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8334005,32.8187933]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0920/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p920","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0920/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0920/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,4897.3 -0.0,4861.4 -0.0,0.0 1516.6,-0.0 1511.7,1887.1 2775.0,1888.2 2796.4,136.1 4352.0,512.2 4352.0,4897.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0920/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4072.0,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8283961,32.8322161]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,4876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8365424,32.8302969]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0921/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p921","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0921/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0921/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3736.5,4603.5 2549.8,4600.6 2550.3,4482.7 631.3,4462.4 635.0,203.6 -0.0,50.8 -0.0,0.0 479.9,80.0 480.6,-0.0 4352.0,-0.0 4352.0,332.9 3888.5,326.4 3886.8,443.5 4352.0,457.5 4352.0,5400.0 3720.8,5400.0 3736.5,4603.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0921/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3084.0,3136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8286903,32.8265686]}},{"type":"Feature","properties":{"resourceCoords":[3760.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8257042,32.8277972]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0922/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p922","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0922/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0922/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,120.3 2334.0,112.6 2333.7,-0.0 4352.0,-0.0 4352.0,124.0 4218.5,125.1 4226.3,966.0 4147.6,966.8 4143.4,2439.4 3424.8,2339.2 3442.4,3846.1 3520.4,3913.8 4144.6,3906.6 4125.8,4760.6 4226.7,4897.1 100.7,4894.0 125.2,2688.8 -0.0,2689.8 -0.0,120.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0922/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83568459241573,32.82979838529453]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83086778322638,32.82575334172058]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83679873920039,32.8206954713672]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.84161554838974,32.824740514941155]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0923/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p923","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"23"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0923/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0923/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1109.9,4848.5 407.4,3906.5 354.2,3816.5 336.7,2432.5 1072.7,341.7 2985.3,-0.0 3060.1,-0.0 4352.0,160.0 4352.0,1221.3 4352.0,3977.7 4110.3,4841.0 1109.9,4848.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0923/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4148.0,2016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8295075,32.8210848]}},{"type":"Feature","properties":{"resourceCoords":[3088.0,4840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.834056,32.8193452]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0924/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p924","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0924/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0924/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"783.7,2383.9 273.2,2363.8 254.0,165.0 340.1,216.2 792.8,208.8 793.3,87.1 -0.0,83.8 -0.0,0.0 988.4,-0.0 992.0,205.5 3086.1,189.6 3122.1,2609.9 3240.0,2608.0 3247.9,4685.3 3537.6,4685.8 3548.1,5400.0 771.0,5400.0 773.8,4723.5 330.7,4727.1 352.8,2428.3 783.4,2445.0 783.7,2383.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0924/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3240.0,2608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8384992,32.8271636]}},{"type":"Feature","properties":{"resourceCoords":[284.0,4728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8444534,32.8280269]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0925/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p925","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0925/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0925/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3905.6,4675.9 4352.0,4670.4 4352.0,5400.0 3790.6,5400.0 -0.0,5400.0 -0.0,4716.2 429.5,4640.3 387.5,2391.2 -0.0,2392.5 -0.0,0.0 4352.0,-0.0 4352.0,122.6 3896.0,132.0 3809.0,80.8 3837.7,2295.5 4352.0,2313.6 4352.0,2375.1 3918.1,2360.1 3905.6,4675.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0925/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2640.0,4704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8458871,32.8292108]}},{"type":"Feature","properties":{"resourceCoords":[3896.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8390487,32.8323909]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0926/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p926","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"6"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0926/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0926/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4133.8 -0.0,0.0 4352.0,-0.0 4352.0,4083.8 -0.0,4133.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0926/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[260.0,4520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8500788,32.836957]}},{"type":"Feature","properties":{"resourceCoords":[3876.0,4520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8480396,32.8352136]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0928/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p928","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0928/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0928/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3802.0,-0.0 3794.6,1814.2 4227.3,1812.8 4229.6,1238.2 4352.0,1237.8 4352.0,5400.0 -0.0,5400.0 -0.0,0.0 3802.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0928/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85023924952645,32.83746773558364]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.84775720945366,32.83533402117915]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85088607400185,32.83272805927959]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85336811407464,32.834861773684075]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0929/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p929","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0929/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0929/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.0,1852.0 -0.0,1852.2 -0.0,10.3 3944.3,-0.0 4013.8,4496.6 3154.7,4645.4 3152.3,5400.0 565.7,5399.9 549.0,1283.7 428.0,1283.7 428.0,1852.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0929/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8488787,32.8345203]}},{"type":"Feature","properties":{"resourceCoords":[428.0,4680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8505422,32.833146]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0930/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p930","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0930/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0930/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.2,299.3 874.5,302.2 1083.4,233.8 1126.7,372.6 3876.0,87.6 3866.9,0.0 4352.0,0.0 4352.0,5400.0 458.1,5400.0 551.2,299.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0930/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.86137413305916,32.84129065813785]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85626227976294,32.84554628310602]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85002146943687,32.84017954388514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85513332273308,32.835923918916976]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0933/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p933","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0933/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0933/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 2690.1,0.0 4352.0,296.3 4352.0,5400.0 -0.0,5400.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0933/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.86593436700427,32.837645391693535]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8607178047473,32.841832741659374]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85457736750612,32.8363558505869]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8597939297631,32.83216850062106]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0934/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p934","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0934/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0934/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5400.0 -0.0,503.2 1670.6,439.4 1656.6,-0.0 4352.0,-0.0 4352.0,3017.2 4196.4,3048.5 4247.1,3283.0 4163.8,4234.1 4352.0,4253.6 4352.0,5400.0 -0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0934/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.86178627319045,32.84853289448868]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85672011304979,32.84499377593418]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.86191033913585,32.83967517390619]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8669764992765,32.84321429246069]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0936/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p936","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0936/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0936/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5400.0 -0.0,-0.0 4352.0,-0.0 4352.0,5400.0 -0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0936/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2820.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8586694,32.8520069]}},{"type":"Feature","properties":{"resourceCoords":[2820.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.856923,32.853917]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0937/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p937","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0937/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0937/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 4352.0,-0.0 4352.0,4538.8 152.7,4518.8 142.9,5400.0 -0.0,5400.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0937/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85642293603509,32.861388015469025]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85094377959719,32.85788420012814]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.85608299820733,32.85213287970023]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.86156215464523,32.85563669504111]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p938 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"219.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4132.4"},{"label":"split_canvas_h","value":"2434.4"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,941.9 4352.0,-0.0 1110.8,0.0 1103.2,0.0 892.4,733.2 648.4,613.6 547.0,877.6 1680.2,2427.0 1956.0,2425.6 2953.9,2420.5 4352.0,941.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2969.2,651.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8295297,32.833736]}},{"type":"Feature","properties":{"resourceCoords":[4228.1,955.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8283961,32.8322161]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dallas, Texas | 1952 | sanborn08492_030 p938 [6]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"1950.0"},{"label":"split_canvas_y","value":"2415.6"},{"label":"split_canvas_w","value":"2402.0"},{"label":"split_canvas_h","value":"1428.0"}],"created":"2026-09-23T23:52:47Z","modified":"2026-09-23T23:52:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__6/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4085.7,2884.1 1954.0,2858.4 1950.0,3806.0 4110.6,3839.8 4085.7,2884.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g08492195209:08492_09_1952-0938__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1950.0,2415.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.84009413590096,32.82527311589191]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,2415.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83727222313519,32.82293495197481]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,3843.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.83892937123044,32.82152217266625]}},{"type":"Feature","properties":{"resourceCoords":[1950.0,3843.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8417512839962,32.82386033658335]}},{"type":"Feature","properties":{"resourceCoords":[3880.4,2874.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8383586,32.8229402]}}]}}]}