{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08445_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brownsville, Texas | 1926 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"28"},{"label":"placed","value":"17"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef-snap 9, georef 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p15__2 (tier 1, 25.90988,-97.49556 +/-104m); p15__3 (tier 1, 25.90800,-97.49129 +/-100m); p15__4 (tier 1, 25.90888,-97.49530 +/-100m); p15__5 (tier 1, 25.91015,-97.49549 +/-100m); p15__6 (tier 1, 25.90901,-97.49460 +/-100m); p1__1 (tier 1, 25.90061,-97.49925 +/-256m); p1__2 (tier 1, 25.90038,-97.49396 +/-100m); p3__2 (tier 1, 25.89999,-97.49681 +/-100m); p3__4 (tier 1, 25.89882,-97.49524 +/-100m); p4__2 (tier 1, 25.90054,-97.50043 +/-100m); p9__1 (tier 1, 25.89942,-97.50424 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"538.2,1888.6 48.9,1893.5 43.2,35.5 555.5,33.7 1024.8,30.3 1512.6,35.1 1520.0,493.6 1523.6,970.8 1521.9,1434.8 1529.5,1889.4 538.2,1888.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,1418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50243013861078,25.90385997494322]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50032595639865,25.904377255664382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.9,21.5 58.8,60.9 446.9,12.2 1538.5,67.5 1612.0,1682.4 1612.0,1872.7 952.6,1874.5 720.4,1868.8 241.3,1877.9 13.6,1870.2 19.7,1374.0 17.4,896.5 16.8,375.3 17.9,21.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5003438,25.90696]}},{"type":"Feature","properties":{"resourceCoords":[1422.0,1375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4975131,25.9068228]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p12 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5914.8"},{"label":"split_canvas_w","value":"2892.0"},{"label":"split_canvas_h","value":"1737.2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"705.4,1678.0 665.8,1660.0 638.2,1690.0 542.0,1704.3 320.1,1603.7 316.6,1516.8 34.9,1491.6 13.4,1797.1 46.0,1882.6 685.1,1890.8 686.4,1909.9 706.7,1909.5 705.4,1678.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1478.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.50776507680312,25.90631581327297]}},{"type":"Feature","properties":{"resourceCoords":[723.0,1478.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.50669839639203,25.90526016162415]}},{"type":"Feature","properties":{"resourceCoords":[723.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.50739953704395,25.904678792823898]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.50846621745505,25.905734444472717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p12 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.6,1384.1 85.0,1469.6 216.5,1479.9 270.4,1480.2 280.9,1485.0 299.0,1486.3 709.0,1672.8 710.7,1680.4 723.0,1686.0 723.0,1736.9 747.6,1850.2 814.2,1874.5 1557.0,1882.4 1581.5,1525.9 1568.8,1518.9 1527.6,1012.9 1521.8,546.4 1522.8,80.3 1027.5,68.4 535.5,73.7 28.9,70.6 37.2,373.9 10.8,374.0 16.6,723.0 1.0,744.1 1.0,746.0 37.5,763.9 33.0,1008.0 11.7,1007.8 27.6,1384.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1030.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.505973,25.9033632]}},{"type":"Feature","properties":{"resourceCoords":[33.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.507418,25.9047073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.5,1426.6 38.4,953.7 40.2,489.4 43.0,308.1 7.7,308.1 35.8,105.3 95.4,44.0 1173.7,38.0 1174.5,37.2 1522.8,40.0 1515.0,1900.6 1024.3,1887.9 536.9,1892.3 35.0,1888.3 45.5,1426.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[531.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50389776764362,25.906478511595765]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50243927647698,25.90512692286222]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.3,1912.0 52.6,1912.0 64.5,1886.1 1509.4,1894.7 1509.7,1912.0 1536.3,1912.0 1528.4,1606.5 1538.8,1137.1 1531.4,656.3 1533.0,184.2 1535.8,1.0 1499.8,1.0 1491.5,60.8 1024.8,32.1 887.4,90.5 671.0,11.9 118.5,61.4 56.2,1.0 1.4,1.0 3.2,190.5 14.4,653.4 9.5,1119.2 9.3,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5053237,25.9078187]}},{"type":"Feature","properties":{"resourceCoords":[533.0,1132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5067485,25.9078805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p15 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1258.8,812.9 1240.5,813.3 1240.5,812.9 1239.7,812.9 1231.2,585.2 1180.2,536.8 887.9,532.0 808.1,532.0 787.1,122.7 742.8,29.6 177.1,28.5 62.9,68.2 14.8,436.0 14.3,1630.2 38.1,1841.8 135.6,1885.1 135.8,1863.2 541.0,1859.0 779.0,1859.0 1015.5,1850.8 1112.8,1848.8 1113.2,1876.3 1117.8,1871.4 1575.8,1856.9 1587.4,1194.0 1541.5,1140.2 1408.0,1141.1 1373.8,1037.2 1371.5,846.1 1326.2,813.2 1258.8,812.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5067847,25.909194]}},{"type":"Feature","properties":{"resourceCoords":[541.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5074838,25.9085969]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.57"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4473.6"},{"label":"split_canvas_y","value":"5844.8"},{"label":"split_canvas_w","value":"1978.4"},{"label":"split_canvas_h","value":"1807.2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1139.0,1528.8 1118.8,1528.8 1119.1,1572.2 1147.0,1855.7 1599.4,1908.8 1564.9,1706.5 1605.8,1503.7 1612.0,1503.4 1612.0,1503.1 1573.0,1489.2 1352.3,1492.2 1140.4,1489.2 1139.0,1528.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1140.4,1489.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4937924,25.900791]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1489.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4930983,25.9014062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.9,1245.1 124.3,756.4 112.6,257.6 576.4,260.5 1053.4,257.9 1511.7,251.8 1517.6,755.2 1505.4,1246.5 1506.4,1738.8 1365.5,1744.5 1192.7,1742.2 1039.9,1745.5 110.1,1740.4 111.9,1245.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1041.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49888712988209,25.903033130669296]}},{"type":"Feature","properties":{"resourceCoords":[124.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49882554404972,25.90046598978111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.1,1134.9 55.4,1142.8 49.0,1366.0 111.0,1436.0 552.8,1474.3 701.8,1574.5 735.9,1588.5 955.3,1594.4 955.5,1594.9 957.4,1594.9 957.3,1598.6 1007.9,1705.1 1191.2,1752.8 1502.3,1745.5 1522.7,1620.1 1509.4,842.5 1509.4,737.8 1521.7,174.7 1379.5,179.8 1205.4,177.0 1051.4,179.9 114.1,171.8 110.3,588.1 109.1,729.5 165.4,730.8 105.1,1134.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.497334,25.900302]}},{"type":"Feature","properties":{"resourceCoords":[1043.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4959167,25.900237]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"833.6"},{"label":"split_canvas_y","value":"5894.0"},{"label":"split_canvas_w","value":"1364.4"},{"label":"split_canvas_h","value":"1758.0"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.3,1474.2 275.9,1497.2 225.0,1541.3 224.8,1855.5 280.9,1898.5 375.3,1912.0 432.8,1912.0 459.5,1713.4 431.8,1713.2 431.4,1643.7 430.4,1477.1 428.0,1477.0 251.3,1474.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[208.4,1473.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.49945049436043,25.899783411605004]}},{"type":"Feature","properties":{"resourceCoords":[549.5,1473.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.49838950964073,25.900677488431104]}},{"type":"Feature","properties":{"resourceCoords":[549.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.49710896225544,25.899451344494693]}},{"type":"Feature","properties":{"resourceCoords":[208.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.49816994697514,25.898557267668593]}},{"type":"Feature","properties":{"resourceCoords":[431.8,1713.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4980571,25.8997002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.8,1402.5 46.0,1912.0 95.3,1858.9 446.5,1794.3 451.5,1868.5 738.5,1858.3 1015.4,1729.5 1094.0,1125.8 1095.5,1125.7 1095.6,1121.7 1131.2,1122.3 1519.4,1085.8 1499.0,502.1 1570.3,430.8 1587.3,74.8 1512.0,73.0 1025.0,62.1 544.5,40.9 53.8,43.2 51.8,490.3 31.3,951.8 30.0,1402.0 44.8,1402.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[536.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5009925,25.9012057]}},{"type":"Feature","properties":{"resourceCoords":[30.0,1402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5031211,25.900673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1423.3 1612.0,1442.1 1574.3,1446.0 1582.5,1884.9 1458.7,1864.3 690.2,1874.0 586.6,1873.6 30.2,1859.0 21.8,1400.8 26.1,930.2 27.6,473.9 33.8,16.8 601.5,25.2 1086.2,27.9 1086.6,8.9 1537.7,83.5 1582.5,912.5 1567.6,954.7 1571.9,1189.5 1569.8,1415.1 1612.0,1416.3 1612.0,1423.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49521345147707,25.90214191588032]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49310523632545,25.901441638831344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1589.6,1881.8 1101.0,1887.8 528.6,1889.4 30.7,1885.0 34.3,1422.2 67.5,1421.9 47.0,955.4 41.7,955.4 55.4,492.2 50.7,492.3 33.7,86.0 88.8,27.5 1549.2,29.4 1609.4,1028.2 1589.6,1862.8 1589.6,1881.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49171918670731,25.905188237951133]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4931189088988,25.904002108602242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1045.2,1894.1 555.0,1880.3 52.6,1884.5 60.9,1661.2 53.5,1191.6 59.9,963.9 60.2,316.4 40.6,309.7 31.1,36.8 549.3,35.0 1037.7,38.5 1532.2,49.5 1528.0,507.3 1528.4,964.4 1526.1,1435.8 1536.5,1894.7 1045.2,1894.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.4967755589157,25.904871855405084]}},{"type":"Feature","properties":{"resourceCoords":[1041.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49605701361273,25.9042039267289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"544.2,1902.7 28.8,1865.9 14.5,368.3 71.7,49.0 1529.2,45.9 1546.3,121.2 1564.8,101.7 1580.3,507.3 1585.0,507.3 1569.7,969.6 1575.0,969.5 1593.8,1435.3 1560.7,1435.4 1555.6,1897.4 1064.9,1898.8 544.3,1905.7 544.2,1902.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.0,1450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49539897404772,25.90736832295924]}},{"type":"Feature","properties":{"resourceCoords":[1050.0,519.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.49328355957847,25.90792169908181]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brownsville, Texas | 1926 | sanborn08445_006 p9 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-19T05:58:58Z","modified":"2026-10-19T05:58:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.5,40.0 549.0,36.4 57.4,39.8 57.5,502.9 64.5,966.4 106.7,1469.0 326.4,1466.9 328.1,1469.0 328.1,1469.0 328.1,1469.0 424.8,1591.4 412.5,1738.2 490.1,1832.7 870.5,1901.2 1527.1,1878.5 1560.5,1513.9 1565.6,1506.7 1554.5,971.8 1539.4,971.6 1532.2,511.7 1544.5,40.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084451926:08445_1926-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50315666643576,25.903223440394015]}},{"type":"Feature","properties":{"resourceCoords":[57.0,506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.50457387302673,25.90329872558549]}}]}}]}