{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08549_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Goose Creek, Texas | 1926 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"15"},{"label":"placed","value":"13"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 7, georef 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p9__1 (tier 1, 29.73561,-94.96998 +/-100m); p9__2 (tier 1, 29.73379,-94.96842 +/-184m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.8,1362.9 190.4,1362.8 179.2,1083.5 277.7,986.4 415.1,519.5 484.2,520.4 689.7,125.0 1041.1,127.5 1403.1,129.1 1406.3,516.3 1413.1,1348.4 1440.6,1347.8 1466.2,1736.6 1350.4,1737.5 1350.4,1754.5 294.7,1766.7 16.0,1688.5 12.8,1362.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97952563612854,29.722858128677764]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97635093683611,29.72387018060542]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97497851721991,29.72057727197747]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97815321651234,29.719565220049812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.9,151.0 63.9,980.7 91.3,980.2 115.5,1368.0 1.0,1368.5 1.0,1385.5 69.6,1384.9 247.5,1779.1 750.6,1761.0 996.0,1843.5 1049.1,1784.8 1262.5,1761.7 1489.7,1829.8 1561.7,1762.4 1582.9,1598.0 1577.3,179.8 1612.0,179.1 1612.0,141.8 1477.8,141.0 950.8,145.5 950.0,29.9 422.3,48.5 422.4,145.6 59.9,151.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.9766150146875,29.723073996020172]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97343522163949,29.724098281997918]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97204619784051,29.720800122901277]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97522599088852,29.71977583692353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1229.0,3.5 1179.0,102.5 1170.5,128.2 1196.8,125.8 1429.0,117.0 1433.3,251.4 1443.6,378.5 1446.4,378.4 1452.0,603.2 1429.7,612.0 1498.4,793.4 1336.7,854.1 1311.5,1073.0 1279.7,1084.8 1298.3,1324.8 1270.0,1387.0 1324.0,1514.1 1242.6,1545.4 1301.0,1695.3 946.0,1846.2 658.4,1854.0 453.7,1806.0 75.4,1837.0 38.0,1772.0 26.7,989.1 63.3,748.2 35.4,584.8 35.7,100.4 71.4,52.5 133.4,62.6 165.8,36.6 300.5,27.4 479.4,61.2 650.3,40.5 760.2,86.2 776.6,213.5 925.9,207.7 1157.4,98.7 1156.1,8.1 1229.0,3.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.98066599838953,29.722360377845114]}},{"type":"Feature","properties":{"resourceCoords":[330.0,367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.98234237234955,29.724934175269176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.3,1683.2 115.8,1684.0 115.0,1486.1 139.4,1485.8 214.3,1269.0 211.6,1268.1 247.1,1143.0 291.0,1013.0 66.1,938.6 40.1,931.6 57.4,910.1 140.4,833.2 69.2,811.7 85.5,765.8 52.1,296.5 104.3,106.2 307.4,166.9 315.4,232.8 441.2,277.8 720.0,38.3 1156.9,40.5 1199.6,58.1 1171.8,91.2 1366.0,242.8 1377.4,229.6 1612.0,443.2 1612.0,461.5 1612.0,479.9 1569.5,463.9 1517.5,642.5 1560.5,886.6 1565.2,1767.5 1541.4,1834.0 1457.2,1870.9 1079.8,1883.0 1079.7,1864.2 1012.2,1864.6 747.4,1870.1 746.5,1811.7 481.4,1824.3 481.8,1873.4 299.7,1878.3 297.3,1683.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,574.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97514866104942,29.728267802645494]}},{"type":"Feature","properties":{"resourceCoords":[956.0,719.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97543312482533,29.727620169094862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.1,1354.2 90.6,956.4 82.5,556.6 83.3,170.3 602.9,172.4 1141.0,178.8 1222.3,181.3 1522.0,176.6 1527.2,548.2 1528.8,1350.7 1533.6,1739.7 1230.8,1742.8 612.6,1744.2 90.5,1739.6 83.1,1354.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.96994747662517,29.732039351217107]}},{"type":"Feature","properties":{"resourceCoords":[605.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97024122327373,29.731378600827988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_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":"Goose Creek, Texas | 1926 | sanborn08549_001 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"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":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.7,1856.4 1012.9,1856.7 1536.3,1843.5 1526.8,1460.7 1532.0,1065.6 1521.7,668.5 1520.4,284.8 1509.0,1.0 1490.2,1.0 1487.8,47.8 960.5,26.8 684.0,103.8 322.7,245.6 277.9,452.0 67.1,456.1 23.5,685.6 1.0,686.6 1.0,958.6 39.0,1025.6 28.6,1860.8 484.7,1856.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,1471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9730455,29.7330631]}},{"type":"Feature","properties":{"resourceCoords":[1007.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.971395,29.734072]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.47"},{"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":"1103.6"},{"label":"split_canvas_h","value":"1804.0"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"271.2,124.1 270.5,70.6 29.3,75.2 44.4,410.1 219.2,403.4 274.2,335.7 271.2,124.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[251.9,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9737703,29.7340911]}},{"type":"Feature","properties":{"resourceCoords":[251.9,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.973485,29.734774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1611.9 1.0,1697.4 485.4,1679.4 485.8,1644.9 1110.7,1668.8 1157.3,1724.3 1487.0,1607.6 1516.8,1666.7 1556.6,1654.8 1548.1,905.5 1532.8,905.4 1537.5,535.4 1540.3,148.0 1016.9,152.2 489.0,143.0 33.1,139.6 17.7,663.6 59.8,1593.2 1.0,1611.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[489.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9741786,29.7304514]}},{"type":"Feature","properties":{"resourceCoords":[489.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.973341,29.732401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.2,947.0 1440.5,1251.7 1484.6,1797.8 1405.2,1882.7 263.9,1838.5 132.8,1570.3 66.1,1590.1 59.0,829.7 43.5,829.5 49.0,454.0 52.6,61.0 578.6,72.6 1201.5,79.5 1506.7,80.4 1501.0,717.3 1555.8,719.0 1557.2,947.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[581.0,839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97078367677584,29.730056439984782]}},{"type":"Feature","properties":{"resourceCoords":[581.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97023169324949,29.731348930571237]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.8,69.9 1488.8,49.5 1577.0,259.4 1558.2,1832.1 1063.2,1812.4 1063.2,1819.5 545.3,1820.5 545.5,1811.3 34.1,1830.1 58.8,69.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.963755,29.735981]}},{"type":"Feature","properties":{"resourceCoords":[542.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.964791,29.736325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.1,1453.0 17.1,1277.5 25.1,696.0 25.5,563.6 27.9,563.8 35.5,144.5 545.8,127.9 545.6,137.1 1062.4,138.3 1062.4,131.2 1556.3,152.9 1555.3,214.1 1611.5,819.1 1577.4,1841.2 1069.7,1837.1 14.5,1822.2 12.1,1453.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[540.0,1072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.96591987082562,29.73375310541278]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.96545389884673,29.73209214396143]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.9,1281.8 26.9,893.8 24.9,93.5 1084.0,100.0 1593.6,100.1 1549.8,1827.7 1085.0,1889.2 88.6,1880.5 89.2,1912.0 35.0,1912.0 31.9,1281.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9666319,29.729418]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.965442,29.73209]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0009__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Goose Creek, Texas | 1926 | sanborn08549_001 p9 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3336.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4316.0"}],"created":"2026-10-20T01:13:31Z","modified":"2026-10-20T01:13:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0009__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1524.5,1773.8 1529.2,1597.5 1536.3,1013.5 1536.5,880.6 1049.0,863.3 371.5,1122.2 289.0,1051.4 197.5,1102.2 222.1,1187.2 66.6,1278.0 54.1,1479.8 73.0,1480.0 81.3,1766.1 602.5,1768.7 1142.2,1775.7 1223.7,1778.2 1524.5,1773.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085491926:08549_1926-0009__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,834.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.96953794336092,29.73605049668884]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,834.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.9663750843394,29.734993587590587]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.96718359481422,29.733143441703106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.97034645383575,29.73420035080136]}}]}}]}