{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08684_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Overton, Texas | 1936 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"11"},{"label":"placed","value":"4"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 32.27470,-94.97461 +/-206m); p3__1 (tier 1, 32.27843,-94.97652 +/-100m); p4__2 (tier 1, 32.27681,-94.97776 +/-104m); p4__3 (tier 1, 32.27548,-94.98432 +/-100m); p5__1 (tier 1, 32.27747,-94.98021 +/-187m); p5__2 (tier 1, 32.27451,-94.97411 +/-213m); p5__3 (tier 1, 32.27787,-94.98165 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0001__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 | 1936 | sanborn08684_004 p1 [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":"0.0"},{"label":"split_canvas_w","value":"3192.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T19:02:25Z","modified":"2026-10-18T19:02:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.2,1073.1 75.3,1613.5 112.0,1615.0 117.1,1833.9 450.4,1830.7 537.5,1831.2 603.2,1826.5 666.8,1814.9 733.5,1794.0 793.4,1767.5 797.2,1765.2 797.2,1755.0 767.2,1749.7 694.4,1408.8 704.6,1331.2 753.7,1320.2 743.3,353.6 690.1,361.5 660.8,311.5 255.4,219.8 219.1,170.9 75.5,181.5 56.3,488.9 78.4,1073.1 77.2,1073.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,1597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97801741575958,32.27704806450764]}},{"type":"Feature","properties":{"resourceCoords":[447.1,1597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97657422235307,32.276865543765055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Overton, Texas | 1936 | sanborn08684_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:02:25Z","modified":"2026-10-18T19:02:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1410.2,1447.8 1412.6,1672.3 786.9,1672.5 363.0,1670.5 112.4,1666.8 117.4,1253.0 121.8,722.4 124.1,259.2 798.2,259.8 974.2,262.7 1107.2,254.6 1236.2,232.4 1371.3,191.5 1493.0,139.2 1501.5,134.2 1530.8,119.5 1530.5,434.4 1399.0,489.3 1452.9,1141.0 1425.2,1447.6 1410.2,1447.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97831184436943,32.27531048266829]}},{"type":"Feature","properties":{"resourceCoords":[129.0,1669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97859772142985,32.27356986551505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0003__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 | 1936 | sanborn08684_004 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"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":"2026-10-18T19:02:25Z","modified":"2026-10-18T19:02:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1481.5,38.0 1048.9,30.6 850.2,65.2 704.8,29.5 497.9,31.8 310.9,98.0 171.5,268.7 67.2,290.3 128.6,577.8 74.3,640.7 66.8,830.3 34.7,838.4 39.5,1144.8 72.5,1169.8 88.5,1260.1 406.7,1261.1 430.8,1302.2 504.9,1305.0 504.9,1305.5 505.1,1358.7 543.2,1394.1 544.9,1541.8 582.2,1544.2 610.9,1592.0 629.2,1726.4 615.5,1761.5 542.9,1771.5 544.0,1834.2 769.7,1888.5 1134.6,1879.4 1134.6,1880.6 1302.7,1799.8 1297.9,1825.5 1286.3,1877.2 1504.6,1519.2 1507.5,1318.0 1510.4,1050.0 1512.1,816.0 1509.9,592.2 1472.4,590.2 1481.5,38.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1227.0,813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97941016386291,32.27632045700572]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1745.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97870751456539,32.27277698811703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0004__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 | 1936 | sanborn08684_004 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"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":"2026-10-18T19:02:25Z","modified":"2026-10-18T19:02:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"21.6,1320.5 37.1,1624.5 86.6,1842.2 301.0,1886.3 559.1,1861.6 598.6,1610.4 733.6,1615.9 714.4,1581.1 785.1,1579.7 788.4,1426.4 838.9,1412.6 838.5,1289.5 880.3,1206.0 1382.8,1214.0 1420.3,1214.3 1437.0,1214.5 1438.3,1214.5 1543.8,1171.8 1531.1,710.8 1583.5,353.6 1535.4,117.1 1445.9,87.2 1109.3,80.7 1102.5,55.4 1108.1,1.0 1100.6,1.0 1100.2,114.6 780.9,110.2 564.6,106.2 436.8,102.5 437.0,94.7 212.3,453.6 224.6,401.6 229.8,375.7 59.0,455.3 21.6,1320.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034om:g4034om_g086841936:08684_1936-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[776.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97718862202791,32.273383717822256]}},{"type":"Feature","properties":{"resourceCoords":[1016.0,793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.97652420336028,32.27082022740629]}}]}}]}