{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08452_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cameron, Texas | 1920 | 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":"21"},{"label":"placed","value":"8"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 7, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p13 (tier 2, 30.85134,-96.98464 +/-100m); p14 (tier 2, 30.85053,-96.98201 +/-100m); p15__1 (tier 1, 30.86575,-96.98181 +/-210m); p15__2 (tier 3, 30.86850,-96.97402 +/-1029m); p15__3 (tier 3, 30.86850,-96.97402 +/-1029m); p15__4 (tier 3, 30.86850,-96.97402 +/-1029m); p15__5 (tier 3, 30.86850,-96.97402 +/-1029m); p15__7 (tier 3, 30.86850,-96.97402 +/-1029m); p4 (tier 1, 30.85062,-96.97831 +/-243m); p5__1 (tier 1, 30.85674,-96.97738 +/-227m); p5__2 (tier 1, 30.86538,-96.96953 +/-100m); p7 (tier 2, 30.85977,-96.97129 +/-134m); p8 (tier 1, 30.86920,-96.97542 +/-303m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p10","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.01"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"194.4,1760.9 244.5,1315.2 263.4,1320.6 301.9,1037.2 334.3,749.4 286.1,732.8 539.8,249.1 627.9,273.0 642.4,217.4 785.3,120.4 788.5,143.1 1522.8,91.9 1572.0,557.5 1552.3,1386.8 1600.1,1486.7 1555.4,1677.1 1048.7,1765.8 758.1,1876.5 356.8,1840.5 363.8,1807.7 223.5,1769.0 194.4,1760.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[134.0,990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9733736,30.8564607]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9699683,30.8583549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p11","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.4,617.8 1391.8,618.3 1439.3,1033.0 1446.0,1426.0 1476.2,1857.2 1444.7,1879.2 1095.6,1754.0 492.3,1742.8 259.3,1814.0 143.7,1788.7 59.8,1602.8 39.2,332.2 79.0,47.6 1022.5,51.4 1118.9,126.0 1337.1,116.8 1377.6,67.5 1448.2,86.5 1452.7,142.2 1471.8,135.8 1412.4,617.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9859327,30.852463]}},{"type":"Feature","properties":{"resourceCoords":[1446.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9830574,30.8516326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.7,1895.3 232.9,1845.5 565.9,1823.3 767.9,1874.2 1531.5,1876.4 1534.1,1444.2 1551.4,1017.0 1576.0,526.0 1490.2,516.0 1417.1,58.2 1263.1,75.9 781.8,45.4 371.2,139.0 313.2,126.8 272.7,1.0 268.3,1.0 179.2,23.1 107.8,546.6 85.5,546.8 131.3,998.5 133.0,1426.0 159.7,1895.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1077.0,953.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9808288,30.8519274]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9830574,30.8516326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0015__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p15 [6]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.15"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6690.0"},{"label":"split_canvas_w","value":"2168.0"},{"label":"split_canvas_h","value":"962.0"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0015__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.0,1907.4 525.8,1909.6 396.6,1694.7 8.7,1691.3 9.0,1907.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0015__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1672.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.96627494277921,30.865733911082575]}},{"type":"Feature","properties":{"resourceCoords":[542.0,1672.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.96655024866047,30.86471416427346]}},{"type":"Feature","properties":{"resourceCoords":[542.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.96707479405939,30.864819982450204]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.96679948817813,30.86583972925932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p2","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.0,1452.0 60.5,1158.1 29.8,587.7 25.9,274.4 20.2,85.3 47.1,51.7 223.1,32.5 517.4,106.7 991.4,68.8 1310.0,126.5 1498.6,79.7 1572.5,197.2 1612.0,1562.7 1542.7,1870.4 560.0,1852.3 85.5,1871.0 73.0,1452.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9755738,30.8502994]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9775422,30.8500632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p3","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"498.5,61.9 856.4,137.4 1160.0,133.0 1300.5,82.2 1363.2,92.6 1395.0,75.3 1544.5,125.9 1571.2,96.1 1566.7,284.0 1553.5,595.0 1552.9,1162.5 1549.4,1454.8 1538.9,1871.1 267.5,1851.7 275.1,1434.4 297.0,1022.0 326.6,548.2 243.9,537.4 178.8,94.5 498.5,61.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1149.0,1451.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9783857,30.8502941]}},{"type":"Feature","properties":{"resourceCoords":[297.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9799064,30.8515491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1458.8,1852.2 1474.4,1635.1 1566.2,1632.2 1501.8,1268.2 1526.7,215.1 1439.7,53.4 698.7,42.6 598.3,85.2 205.5,37.8 133.2,116.7 207.9,1411.7 152.6,1738.1 1.0,1804.0 1.0,1817.0 270.8,1908.0 270.1,1874.5 662.7,1865.5 1047.1,1888.0 1047.2,1891.2 1458.8,1852.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[653.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9735474,30.860821]}},{"type":"Feature","properties":{"resourceCoords":[1458.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9722972,30.8593502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cameron, Texas | 1920 | sanborn08452_007 p9","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.16"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:14:32Z","modified":"2026-10-19T06:14:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"747.3,115.5 607.9,63.5 558.8,83.0 200.8,98.0 82.9,67.6 42.1,140.2 30.9,820.4 56.5,902.1 35.3,1073.2 69.3,1313.1 36.0,1469.3 43.9,1840.7 703.9,1847.1 1055.1,1894.1 1534.4,1848.7 1582.4,1751.3 1567.9,1430.6 1612.0,1423.2 1612.0,1400.8 1515.4,1399.5 1495.3,1399.2 1452.6,1104.4 1465.7,1104.8 1443.0,916.3 1415.2,725.9 1381.4,723.4 1463.1,369.9 1523.7,370.4 1523.7,332.3 1599.2,246.0 1529.3,78.1 1460.2,96.0 1397.6,63.3 1388.6,1.0 1343.2,1.0 1332.2,106.5 1129.3,119.3 1129.3,117.7 940.6,100.7 747.4,99.0 747.3,115.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034cm:g4034cm_g084521920:08452_1920-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1136.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9736835,30.8580264]}},{"type":"Feature","properties":{"resourceCoords":[1136.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9753253,30.853527]}}]}}]}