{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08723_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rocksprings, Texas | 1948 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 30.01741,-100.20855 +/-458m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rocksprings, Texas | 1948 | sanborn08723_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3053.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4598.8"}],"created":"2026-10-18T09:15:38Z","modified":"2026-10-18T09:15:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1545.1,1832.5 1578.8,1785.6 1556.0,841.4 1475.7,832.6 1463.5,898.2 1262.2,901.9 1260.0,821.3 1146.6,819.2 1081.5,781.5 86.2,785.0 33.8,849.9 39.1,1749.9 38.6,1749.9 51.6,1813.5 128.3,1814.6 540.1,1822.2 787.5,1823.7 1075.9,1827.2 1075.1,1877.4 1545.1,1832.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[793.0,1324.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.20674158087674,30.021237650386]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1077.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.20782120908538,30.02213133837791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rocksprings, Texas | 1948 | sanborn08723_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:15:38Z","modified":"2026-10-18T09:15:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"994.3,1707.1 670.3,1705.7 176.6,1715.8 175.7,1177.3 172.8,689.0 175.5,283.8 668.0,414.5 665.9,193.6 992.1,192.1 993.1,343.4 1297.1,679.6 1488.1,678.2 1483.4,1172.3 1417.7,1173.2 994.3,1707.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,691.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.20848438445744,30.016614115883623]}},{"type":"Feature","properties":{"resourceCoords":[996.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.20777216847475,30.015706823946413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rocksprings, Texas | 1948 | sanborn08723_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:15:38Z","modified":"2026-10-18T09:15:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"788.6,1075.7 792.5,827.7 696.6,827.9 545.1,658.2 545.0,582.3 381.4,582.0 381.7,692.9 135.0,625.8 135.5,582.9 136.8,86.2 545.2,87.4 790.4,85.1 1076.3,84.1 1076.4,133.8 1541.6,82.1 1507.7,495.5 1554.6,575.5 1586.5,854.8 1545.0,1427.8 1569.1,1866.7 368.5,1892.3 133.0,1877.7 129.9,1594.6 131.1,1344.4 378.9,1340.8 541.5,1342.5 755.6,1075.9 788.6,1075.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[543.0,343.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2077853222721,30.01843318649956]}},{"type":"Feature","properties":{"resourceCoords":[132.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.20954173872983,30.015698869024384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rocksprings, Texas | 1948 | sanborn08723_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:15:38Z","modified":"2026-10-18T09:15:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1342.6,1886.0 640.9,1891.6 338.2,1840.2 327.0,1862.0 257.9,1839.2 75.0,1844.2 25.8,1408.7 30.0,513.4 80.0,313.1 94.2,61.1 153.1,32.6 193.1,47.8 1125.3,15.8 1468.1,31.2 1481.5,94.6 1558.0,95.3 1551.8,595.6 1546.2,843.6 1543.7,1090.5 1539.8,1362.8 1536.0,1614.7 1536.3,1899.9 1342.6,1886.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034rm:g4034rm_g087231948:08723_1948-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1052.0,1089.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.21163667275293,30.015691741185243]}},{"type":"Feature","properties":{"resourceCoords":[1300.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.210564926909,30.014725201561518]}}]}}]}