{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08610_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lake Jackson, Texas | 1951 | 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":"8"},{"label":"placed","value":"7"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 5, georef 1, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 29.03916,-95.44296 +/-845m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"4560.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1050.3,1841.7 1065.3,1772.6 1063.3,1773.5 1052.0,1778.3 1019.0,1689.7 867.4,1091.7 849.4,1095.5 842.0,1052.2 858.8,1049.4 821.5,234.9 788.5,234.7 788.8,207.3 684.5,207.0 556.1,200.3 399.9,197.0 265.2,200.2 131.1,207.9 68.5,254.6 45.2,312.8 64.2,525.7 136.1,712.0 65.8,1063.7 72.2,1294.1 129.5,1530.8 110.7,1655.5 139.8,1751.5 112.1,1799.5 241.7,1820.4 457.6,1780.0 618.1,1863.9 1050.3,1841.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4480548466361,29.04458610441282]}},{"type":"Feature","properties":{"resourceCoords":[748.1,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4481819886834,29.041344032282016]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"460.2,1758.1 448.9,1763.1 414.7,1674.9 414.4,1674.2 254.7,1078.3 236.6,1082.3 228.6,1039.0 245.4,1036.0 198.2,247.6 865.3,232.5 888.4,212.7 1326.1,206.2 1325.7,177.7 1516.4,174.8 1510.8,227.8 1465.9,508.5 1438.9,639.2 1390.5,796.3 1374.7,840.3 1369.5,854.6 1345.7,908.8 1297.0,1005.8 1242.6,1101.3 1190.0,1181.0 1108.5,1296.9 1035.8,1377.6 974.1,1439.3 890.5,1510.8 766.1,1596.4 648.3,1666.9 561.9,1711.7 466.1,1755.5 460.2,1758.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1190.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4443778,29.0393523]}},{"type":"Feature","properties":{"resourceCoords":[164.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4473181,29.0427772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.8,88.5 170.6,54.6 200.6,114.8 464.3,123.2 670.5,54.8 848.9,35.0 1282.2,59.8 1505.6,40.8 1575.3,136.8 1600.4,516.0 1611.7,523.4 1562.2,1182.6 1338.9,1343.7 1411.2,1483.2 1562.6,1495.2 1561.6,1832.9 1521.4,1805.5 1324.9,1821.0 1276.8,1756.4 1218.5,1781.5 1176.2,1645.3 1140.3,1628.2 995.9,1698.5 901.5,1856.9 850.1,1879.1 504.8,1906.2 468.9,1909.0 469.4,1912.0 397.8,1912.0 367.8,1912.0 84.5,1902.1 84.5,1912.0 55.7,1912.0 54.8,1470.3 35.1,1446.8 28.4,773.5 55.1,772.2 55.2,738.9 83.0,739.2 83.1,633.9 89.7,504.1 92.8,346.4 89.5,210.3 81.5,74.8 91.8,88.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1365.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.44458012054906,29.048443221278824]}},{"type":"Feature","properties":{"resourceCoords":[81.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.44667835522037,29.044180536166675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.8,4.2 557.9,118.2 327.8,111.1 200.4,39.9 98.7,78.0 99.2,92.4 133.4,173.2 85.7,958.9 124.8,1102.1 212.4,1237.7 144.6,1344.6 139.0,1393.6 187.9,1462.3 123.5,1580.2 108.4,1717.0 42.0,1753.3 155.0,1823.1 154.9,1828.3 320.6,1854.2 320.6,1848.2 485.1,1846.0 774.8,1846.1 1029.7,1849.1 1300.3,1848.8 1290.5,1735.8 1288.6,1647.9 1293.6,1560.3 1300.8,1502.0 1325.4,1383.6 1307.5,1378.9 1540.8,571.5 1462.2,537.1 1369.5,482.4 1297.4,434.6 1211.5,367.4 1103.8,263.4 1012.2,163.0 951.6,87.8 890.2,3.4 888.5,1.0 817.9,1.0 818.8,4.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[715.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.44609040862308,29.036461325530944]}},{"type":"Feature","properties":{"resourceCoords":[1382.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4430864873937,29.037603543581948]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.2,1840.6 1188.3,1840.9 1101.0,1834.2 1042.9,1825.9 925.0,1799.0 920.0,1816.8 117.9,1568.1 140.7,1518.5 177.8,1431.5 213.7,1328.8 243.9,1225.6 257.5,1168.7 267.5,1108.1 286.7,946.5 289.7,814.4 283.4,532.9 279.4,480.3 84.7,519.0 40.7,244.2 21.6,146.3 18.8,147.5 19.0,140.2 31.5,142.2 84.5,120.3 128.6,152.2 556.9,32.3 706.4,49.9 707.9,84.4 796.1,161.5 907.2,187.6 934.4,169.0 993.0,222.2 1262.6,175.2 1375.7,104.5 1398.3,150.4 1423.7,214.2 1422.9,242.2 1440.3,295.2 1463.0,468.6 1477.9,618.6 1480.6,705.0 1475.4,787.5 1459.4,915.7 1422.9,1186.5 1411.1,1296.9 1405.9,1371.8 1395.8,1448.0 1390.4,1712.7 1389.3,1833.1 1276.2,1840.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[280.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.44140199530695,29.042247059139466]}},{"type":"Feature","properties":{"resourceCoords":[1317.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4411191723077,29.035843934772476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1189.5,1858.1 1092.0,1883.4 665.2,1856.0 551.5,1818.0 406.9,1782.3 317.0,1767.2 175.2,1756.0 63.6,1744.2 82.7,1624.6 127.5,1362.0 148.8,1287.6 165.1,1213.9 193.3,1105.8 269.9,841.7 304.9,716.5 322.4,635.2 332.5,548.8 339.9,397.2 343.2,221.3 333.8,166.0 338.7,138.3 322.9,71.0 307.2,22.0 349.9,3.4 461.5,47.6 531.1,13.8 571.6,72.0 1073.2,33.5 1209.4,86.3 1264.2,190.8 1301.9,201.2 1410.8,603.0 1463.9,712.4 1561.8,796.0 1574.0,1826.4 1596.3,1872.4 1189.5,1858.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.0,1658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.437077426578,29.03457861811346]}},{"type":"Feature","properties":{"resourceCoords":[387.0,407.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.437123721428,29.03968724935341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake Jackson, Texas | 1951 | sanborn08610_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:05:07Z","modified":"2026-10-19T14:05:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.5,270.9 1481.3,413.3 1480.9,504.8 1468.9,653.7 1449.7,772.3 1491.6,1199.7 1532.2,1292.3 1583.8,1698.0 1574.4,1704.5 1545.8,1869.2 987.4,1802.8 878.9,1801.8 828.5,1832.5 767.7,1816.2 733.6,1844.5 708.1,1808.1 610.8,1803.8 518.0,1818.9 411.2,1884.5 87.8,1884.5 30.2,1834.2 26.9,1623.9 62.1,1314.4 74.5,1319.3 105.4,1248.0 123.7,1081.4 75.6,839.1 106.1,510.2 73.7,238.9 100.8,97.8 197.3,46.3 310.6,118.2 310.4,123.4 477.1,151.6 477.1,145.6 642.8,145.4 934.3,149.2 1190.8,155.4 1463.1,158.4 1469.5,270.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034lm:g4034lm_g086101951:08610_1951-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.4448146409348,29.031737940395914]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.44096788227007,29.036582780472674]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.43444224739694,29.03256567881898]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.43828900606168,29.027720838742223]}}]}}]}