{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08684_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Overton, Texas | 1939 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"14"},{"label":"placed","value":"6"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 3, georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 32.27444,-94.97582 +/-336m); p1a__2 (tier 1, 32.27668,-94.98073 +/-317m); p1b (tier 1, 32.27901,-94.97477 +/-521m); p3__1 (tier 1, 32.27296,-94.97904 +/-131m); p4__2 (tier 1, 32.26741,-94.97972 +/-160m); p4__3 (tier 2, 32.27295,-94.97764 +/-238m); p5__1 (tier 1, 32.27905,-94.97693 +/-275m); p5__3 (tier 1, 32.27487,-94.97789 +/-102m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"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":"3298.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.0,426.3 718.1,253.7 731.8,78.4 656.1,78.8 588.2,107.0 593.3,214.5 466.2,233.3 324.3,200.2 289.0,108.0 179.7,149.5 186.5,195.4 130.3,254.2 87.7,404.9 103.4,998.1 93.6,1029.8 124.0,1029.7 132.4,1308.5 140.8,1595.1 393.0,1592.9 475.9,1370.9 475.3,1293.0 422.1,1297.9 235.4,918.8 250.4,916.0 315.4,912.6 417.3,703.3 409.4,635.8 740.0,426.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.9,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97800668704996,32.27705525683555]}},{"type":"Feature","properties":{"resourceCoords":[477.7,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97655663248291,32.27687358442764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p1a [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"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":"3296.4"},{"label":"split_canvas_h","value":"7648.0"}],"created":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001a","type":"ImageService3","width":1612,"height":1912},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"812.1,1749.5 823.1,1285.7 823.1,679.6 759.2,592.1 737.0,424.9 407.7,635.9 415.9,703.3 315.2,912.9 292.8,914.2 250.2,916.6 235.2,919.5 423.8,1297.2 452.9,1294.4 477.0,1292.1 478.0,1369.9 396.3,1592.1 144.2,1595.7 150.1,1813.3 481.5,1808.8 568.1,1809.0 664.9,1799.5 727.4,1783.2 741.7,1778.3 762.8,1771.2 778.4,1764.7 794.2,1758.0 812.1,1749.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0001a__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[151.0,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97801596030176,32.277058325285935]}},{"type":"Feature","properties":{"resourceCoords":[478.1,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97656996432086,32.27687056493111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.8,1242.7 133.0,714.0 130.7,252.6 802.4,246.5 977.8,247.7 1174.0,229.1 1300.8,196.7 1350.1,180.3 1386.2,688.6 1479.0,686.0 1443.7,715.3 1429.3,749.1 1419.2,1198.0 1428.3,1647.7 804.9,1654.0 382.7,1656.2 133.0,1655.0 133.8,1242.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[133.0,714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9783271,32.2753153]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9786332,32.2735781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p3 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.77"},{"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":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.6,39.0 1078.7,24.3 865.1,58.5 643.2,34.5 329.1,90.4 89.5,72.7 48.5,252.6 47.7,1104.3 79.3,1248.0 123.8,1267.2 129.0,1285.3 253.4,1275.0 407.4,1290.0 451.0,1257.9 538.0,1292.0 539.5,1292.0 539.5,1292.6 541.2,1293.2 584.0,1853.7 796.0,1886.4 1165.1,1878.2 1164.7,1892.2 1335.4,1809.0 1322.1,1871.0 1539.3,1493.0 1540.9,1306.7 1542.2,1038.6 1542.5,804.5 1538.9,580.7 1531.9,286.4 1524.9,1.0 1487.8,1.0 1469.6,39.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1394.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9789688,32.2753724]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,1732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9787147,32.2727844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.0,470.4 19.4,1322.9 77.5,1843.0 365.1,1884.7 583.0,1846.0 573.8,1743.2 618.4,1596.5 741.8,1603.2 744.5,1565.7 807.6,1565.2 795.5,1351.3 862.5,1175.7 958.0,1197.1 1082.8,1155.4 1396.3,1197.5 1527.0,1143.9 1531.5,679.1 1587.9,419.4 1559.4,252.2 1612.0,248.2 1483.3,250.4 1098.6,125.1 1100.7,109.2 782.9,105.3 567.6,101.6 440.4,98.1 440.9,75.2 216.5,451.6 230.9,389.5 58.0,470.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97718498495965,32.27337990663551]}},{"type":"Feature","properties":{"resourceCoords":[1012.0,783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97654868337827,32.270828712784464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1939 | sanborn08684_005 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.14"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2422.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5229.2"}],"created":"2026-10-22T13:30:51Z","modified":"2026-10-22T13:30:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.3,1773.3 215.1,1788.2 573.7,1912.0 1155.2,1912.0 1220.0,1874.0 1451.2,1852.4 1415.3,1650.8 1442.2,1609.6 1521.1,1597.5 1545.2,1434.7 1534.3,1366.3 1209.7,1297.0 1171.2,1262.8 1129.2,940.0 959.8,920.0 943.6,674.5 650.9,706.2 549.6,800.8 291.1,794.0 298.8,612.7 297.4,612.7 267.7,1047.3 249.9,1054.8 218.9,1066.3 207.9,1069.5 215.5,1313.5 260.0,1314.0 242.5,1327.4 235.0,1343.2 221.6,1558.0 217.3,1773.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841939:08684_1939-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[434.0,1269.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9745601,32.2750968]}},{"type":"Feature","properties":{"resourceCoords":[434.0,943.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.9743983,32.2763589]}}]}}]}