{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08607_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"La Grange, Texas | 1921 | 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":"14"},{"label":"placed","value":"12"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 8, georef-snap 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 29.90529,-96.87147 +/-152m); p1__2 (tier 1, 29.90889,-96.88782 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p10 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"22"},{"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":"7652.0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2312.4,0.0 1937.6,0.0 137.8,0.0 181.2,7131.4 360.3,7079.3 359.3,7559.1 -0.0,7560.5 -0.0,7652.0 1772.0,7652.0 2440.0,7652.0 2680.4,7652.0 2683.6,3907.6 2684.4,2739.6 4236.4,2732.8 4230.4,2169.6 6452.0,2132.4 6452.0,0.0 5363.7,0.0 5365.7,201.3 2583.4,216.8 2581.6,0.0 2312.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1336.0,5236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8700223,29.9021997]}},{"type":"Feature","properties":{"resourceCoords":[2528.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8707888,29.9055071]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p10 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2683.6"},{"label":"split_canvas_y","value":"2732.8"},{"label":"split_canvas_w","value":"1565.2"},{"label":"split_canvas_h","value":"1174.8"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2683.6,3907.6 4248.8,3876.0 4236.4,2732.8 2684.4,2739.6 2683.6,3907.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2683.6,2732.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88250510992029,29.906617480327338]}},{"type":"Feature","properties":{"resourceCoords":[4248.8,2732.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88171617848428,29.906858840032644]}},{"type":"Feature","properties":{"resourceCoords":[4248.8,3907.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88150741084782,29.906345785674958]}},{"type":"Feature","properties":{"resourceCoords":[2683.6,3907.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88229634228382,29.90610442596965]}},{"type":"Feature","properties":{"resourceCoords":[4089.1,2804.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8817839,29.9068028]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p10 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2680.4"},{"label":"split_canvas_y","value":"3876.0"},{"label":"split_canvas_w","value":"1607.2"},{"label":"split_canvas_h","value":"3776.0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3028.9,7390.3 3308.8,7493.2 4067.7,7476.0 4275.3,6459.6 4264.1,5368.5 4144.4,5368.6 2993.9,6512.5 3028.9,7390.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0010__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4067.7,6320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8813757,29.9082729]}},{"type":"Feature","properties":{"resourceCoords":[4067.7,7476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8806874,29.9072646]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p1 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 863.3,7652.0 863.8,7507.2 6308.0,7476.0 6308.0,5192.0 4221.4,5147.6 4068.2,5017.8 3983.9,3127.2 6290.4,2533.9 6302.3,2869.7 6452.0,2870.1 6452.0,651.5 6277.7,652.3 6276.8,0.0 2232.8,0.0 2236.4,1562.4 0.0,1562.4 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6308.0,7476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8800611,29.9063373]}},{"type":"Feature","properties":{"resourceCoords":[6308.0,5192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8806874,29.9072646]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,354.7 5536.1,333.4 5562.9,7311.2 3243.4,7326.7 3248.8,7652.0 -0.0,7652.0 -0.0,354.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88269698312816,29.905172613241792]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8797294396779,29.906686011943297]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87767339752156,29.90361359866202]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88064094097182,29.902100199960515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1018.0,315.9 6452.0,280.9 6452.0,401.4 5684.4,401.0 5709.9,7362.7 1008.3,7369.3 1018.0,315.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88060762640306,29.906224083657502]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87768081334494,29.907734589977572]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87562867961421,29.904704377535253]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87855549267233,29.903193871215183]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"988.6,7368.6 890.8,395.9 1657.1,383.9 1655.4,220.2 4679.2,186.3 4683.2,336.3 5630.2,321.4 5660.9,7338.4 988.6,7368.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3312.0,5008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.875598,29.9061139]}},{"type":"Feature","properties":{"resourceCoords":[940.0,2684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8772972,29.9064973]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"776.7,7050.2 924.4,450.7 1726.4,460.5 1730.4,313.4 2181.0,313.9 2178.6,466.0 3290.9,479.6 3281.2,314.9 5675.3,388.4 5608.4,7121.5 776.7,7050.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[868.0,2688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8751625,29.9075953]}},{"type":"Feature","properties":{"resourceCoords":[5652.0,5028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8722897,29.9078262]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5977.3,7652.0 275.7,7652.0 281.2,227.4 6452.0,320.0 6452.0,7242.1 5975.5,7239.5 5977.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,2668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8729374,29.9087412]}},{"type":"Feature","properties":{"resourceCoords":[272.0,7876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8715427,29.9067153]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"221.9,5075.7 468.5,5078.5 466.0,3914.1 212.0,3913.2 186.4,0.0 5699.0,0.0 5698.7,418.3 6248.5,416.5 6278.1,7545.3 5694.0,7543.5 5694.0,7463.9 5457.5,7465.8 5456.6,7542.8 4550.0,7540.6 4548.9,7468.0 218.9,7490.4 221.9,5075.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88418989781675,29.91202952043043]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87847395631506,29.914988211761848]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87445414804678,29.909070643166512]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.88017008954847,29.906111951835094]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"554.4,7404.8 527.7,623.3 -0.0,628.9 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 4763.0,7652.0 4761.7,7448.3 554.4,7404.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1752.0,4004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8754588,29.9124352]}},{"type":"Feature","properties":{"resourceCoords":[548.0,5152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.8759488,29.910944]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Texas | 1921 | sanborn08607_007 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:54:21Z","modified":"2026-09-23T00:54:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,228.1 303.0,229.5 301.0,63.9 6208.3,79.0 6269.1,7215.7 6452.0,7163.2 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086071921:08607_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87954171434106,29.90290204740055]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87373015580079,29.90589795550455]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.8696601594128,29.899880840862004]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.87547171795308,29.896884932758002]}}]}}]}