{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08409_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Arlington, Texas | 1917 | 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":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 5, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1k__3 (tier 1, 32.73671,-97.11231 +/-182m); p5__2 (tier 4, 32.73673,-97.10725 +/-594m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p1k [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"7788.0"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k/info.json","type":"ImageService2","height":7788,"width":6648},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2248.0,0.0 2244.5,2789.1 2485.8,2713.9 2350.9,2289.9 2793.7,2157.0 4459.1,7539.8 3984.0,7682.9 4017.9,7788.0 6648.0,7788.0 6648.0,0.0 2248.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2372.0,5780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.106991,32.7377835]}},{"type":"Feature","properties":{"resourceCoords":[2464.0,6084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1070266,32.7371212]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p1k [2]","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":"2248.0"},{"label":"split_canvas_h","value":"4512.4"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k/info.json","type":"ImageService2","height":7788,"width":6648},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1750.8,271.7 1752.8,-0.0 926.3,-0.0 919.5,291.3 -0.0,318.3 -0.0,2132.2 377.4,2129.1 393.9,4131.5 -0.0,4122.4 0.0,4403.6 237.2,4403.6 2242.4,4512.4 2247.7,264.1 1750.8,271.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb00001k__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1744.0,2952.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.107274,32.731294]}},{"type":"Feature","properties":{"resourceCoords":[1744.0,1112.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1072305,32.7329786]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000020/info.json","type":"ImageService2","height":7764,"width":6612},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6612.0,7764.0 -0.0,7764.0 -0.0,4568.5 373.3,4557.6 353.6,2590.3 251.3,2345.9 -0.0,2381.5 0.0,-0.0 6612.0,0.0 6612.0,7764.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2712.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1070266,32.7371212]}},{"type":"Feature","properties":{"resourceCoords":[4980.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.105785,32.7370819]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000030/info.json","type":"ImageService2","height":7804,"width":6640},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4335.9,7804.0 3858.7,7804.0 48.4,7073.2 43.2,0.0 4466.8,0.0 6560.4,0.0 6640.0,2627.7 6640.0,7642.8 5549.6,7804.0 4335.9,7804.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11062520676342,32.740453467475554]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.10314900507274,32.74016393878727]}},{"type":"Feature","properties":{"resourceCoords":[6640.0,7804.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.10355069715344,32.732720430009664]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7804.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11102689884412,32.73300995869795]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000040/info.json","type":"ImageService2","height":7820,"width":6668},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7820.0 0.0,0.0 4134.8,0.0 4160.0,2979.3 4073.5,4122.6 5235.2,4035.2 5245.5,2637.0 6146.8,2628.2 6153.1,3501.4 6668.0,3497.7 6668.0,3959.9 5747.2,4008.3 5789.2,5825.8 6167.4,5814.0 6230.4,7820.0 -0.0,7820.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5228.0,796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.109518,32.736697]}},{"type":"Feature","properties":{"resourceCoords":[604.0,796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1145425,32.7368867]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000050__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Arlington, Texas | 1917 | sanborn08409_004 p5 [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":"6644.0"},{"label":"split_canvas_h","value":"7792.0"}],"created":"2026-09-21T22:36:33Z","modified":"2026-09-21T22:36:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000050__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000050/info.json","type":"ImageService2","height":7792,"width":6644},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6629.4,7555.8 6626.5,6195.2 4451.2,6200.5 4447.5,6077.9 4444.3,4794.3 6591.7,4840.7 6570.8,1295.5 5683.6,1434.4 2724.4,1432.8 2727.2,0.0 0.0,0.0 0.0,2860.4 -0.0,4788.3 1025.1,4800.7 1048.4,7584.2 6629.4,7555.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08409004:sb000050__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1052.0,6208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1093867,32.7391356]}},{"type":"Feature","properties":{"resourceCoords":[3296.0,7572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.106991,32.7377835]}}]}}]}