{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08422_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bay City, Texas | 1947 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"19"},{"label":"placed","value":"13"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 8, georef-snap 4, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p15__2 (tier 1, 28.98846,-95.96889 +/-501m); p3 (tier 1, 28.98126,-95.97218 +/-256m); p4 (tier 4, 28.98206,-95.96733 +/-1426m); p5 (tier 1, 28.98369,-95.96320 +/-255m); p6 (tier 1, 28.97924,-95.96902 +/-258m); p8 (tier 1, 28.98717,-95.96852 +/-514m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p1","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5011.3 -0.0,1963.8 -0.0,-0.0 1276.2,0.0 6452.0,0.0 6452.0,1934.0 6452.0,7652.0 948.0,7652.0 -0.0,5011.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2992.0,6024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9662506,28.9788295]}},{"type":"Feature","properties":{"resourceCoords":[2992.0,5528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9662981,28.9798684]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p10 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"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":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3629.3,-0.0 -0.0,0.0 -0.0,2898.7 223.7,2900.7 245.5,6324.2 3686.7,6269.3 3629.3,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96941782664094,28.98099124176869]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.9692675201324,28.975119583231308]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97722192425321,28.974963523041026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97737223076174,28.98083518157841]}},{"type":"Feature","properties":{"resourceCoords":[5948.0,7372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9769426,28.9754279]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p10 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3816.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2636.0"},{"label":"split_canvas_h","value":"3687.2"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3871.6,189.3 3915.8,3563.2 6316.2,3563.2 6314.9,165.0 3871.6,189.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3915.8,3563.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9769426,28.9754279]}},{"type":"Feature","properties":{"resourceCoords":[6316.2,3563.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9769075,28.9732398]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,133.6 6452.0,2389.8 6282.4,2388.2 6284.6,2767.8 6452.0,2765.1 6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 1640.6,0.0 1643.3,177.3 6452.0,133.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97755195614712,28.977634636789897]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97088252317845,28.977772454752998]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.9706969930479,28.970803919618664]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97736642601657,28.970666101655564]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"1"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"355.3,6399.0 352.8,6062.6 -0.0,6070.2 -0.0,-0.0 5861.2,0.0 5864.4,282.5 5986.3,275.5 5996.2,1453.2 6452.0,1453.8 6452.0,7652.0 -0.0,7652.0 -0.0,6405.3 355.3,6399.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96783527981248,28.981193013572163]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96112826936637,28.9813234281481]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96095159522334,28.97435967563572]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96765860566944,28.974229261059783]}},{"type":"Feature","properties":{"resourceCoords":[5568.0,6012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9619084,28.9758343]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.2,4873.3 117.9,4867.3 121.6,3700.4 -0.0,3705.8 -0.0,177.4 5904.5,204.2 5878.6,3709.3 6452.0,3715.4 6452.0,7652.0 3463.5,7652.0 3464.7,7586.5 2391.4,7559.3 2390.6,7652.0 539.8,7652.0 572.2,4873.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96186396660396,28.984457324036235]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.95513892049784,28.98465891215328]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.95486753107126,28.97763258323382]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96159257717737,28.977430995116777]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p14 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3685.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3966.4"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3688.8 2685.5,3686.9 2684.0,3809.6 415.7,3789.1 334.4,7366.7 915.8,7381.6 911.6,7652.0 6452.0,7652.0 6452.0,3688.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1512.0,3809.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9545753,28.9844844]}},{"type":"Feature","properties":{"resourceCoords":[2684.0,3809.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9533715,28.9845362]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p14 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"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":"3688.8"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6240.8,3397.8 6452.0,3391.5 6452.0,0.0 947.0,0.0 951.5,771.1 566.9,772.5 517.6,2473.3 961.6,2467.5 968.4,3609.7 6242.9,3519.3 6240.8,3397.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1624.0,1332.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9582657,28.9864637]}},{"type":"Feature","properties":{"resourceCoords":[2748.0,3576.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9570404,28.9844221]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p15 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2938.0"},{"label":"split_canvas_w","value":"2967.6"},{"label":"split_canvas_h","value":"4714.0"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0015__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2967.6,7652.0 2966.5,7394.8 2912.8,7394.9 2952.7,4147.3 2947.6,2938.0 0.0,2960.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,2938.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97108158092614,28.9943714086619]}},{"type":"Feature","properties":{"resourceCoords":[2967.6,2938.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96795176983636,28.994487031894305]}},{"type":"Feature","properties":{"resourceCoords":[2967.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96774319970005,28.990106459053898]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97087301078983,28.989990835821494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6250.3,0.0 6224.7,7289.4 3906.7,7295.0 3903.7,7652.0 0.0,7652.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97136341890769,28.981134053980586]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.97146761112418,28.984125712197606]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96744001956023,28.984234570870527]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96733582734373,28.981242912653506]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"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":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1847.6,7652.0 1840.1,7411.5 4037.7,7397.6 4034.0,3980.4 4167.6,3980.4 4164.4,3803.1 5252.6,3774.9 5254.1,3980.8 6286.0,3981.1 6284.2,3765.1 6406.7,3763.9 6379.6,0.0 5201.8,0.0 5208.5,343.3 4100.0,351.2 4084.4,0.0 -0.0,-0.0 -0.0,3837.4 657.9,3833.0 725.2,5144.9 682.8,6086.4 -0.0,6109.4 -0.0,7652.0 1847.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[608.0,1500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9773972,28.9859724]}},{"type":"Feature","properties":{"resourceCoords":[608.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9774232,28.9870093]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p7 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"4034.0"},{"label":"split_canvas_y","value":"3980.4"},{"label":"split_canvas_w","value":"2418.0"},{"label":"split_canvas_h","value":"3671.6"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5507.4,4077.8 4187.1,4101.2 4169.3,4762.9 4034.8,4758.3 4038.0,7652.0 6452.0,7652.0 6452.0,4152.3 5507.4,4077.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4129.9,6344.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9796028,28.9837981]}},{"type":"Feature","properties":{"resourceCoords":[4129.9,7436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.9807259,28.9837435]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bay City, Texas | 1947 | sanborn08422_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:16:50Z","modified":"2026-09-22T11:16:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6092.3 1511.3,6064.7 1536.9,2663.9 -0.0,2674.7 -0.0,-0.0 6452.0,0.0 6452.0,4340.8 6066.0,4339.8 6006.4,6034.1 6452.0,6031.1 6452.0,7169.2 2663.1,7187.6 2663.7,7652.0 -0.0,7652.0 -0.0,6092.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084221947:08422_1947-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96584782453574,28.990818082780788]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.9590975639455,28.990967934805393]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.95889581222983,28.98391569417548]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.96564607282006,28.983765842150873]}}]}}]}