{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09465_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Welch, West-Virginia | 1916 | 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":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 37.43302,-81.58448 +/-119m); p1__2 (tier 4, 37.43302,-81.58448 +/-119m); p3__1 (tier 1, 37.43449,-81.57945 +/-151m); p3__2 (tier 1, 37.43885,-81.57714 +/-178m); p3__3 (tier 1, 37.43230,-81.58570 +/-138m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welch, West-Virginia | 1916 | sanborn09465_002 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2300.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5351.2"}],"created":"2026-10-19T05:51:33Z","modified":"2026-10-19T05:51:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.2,1586.1 309.1,1606.8 312.4,1560.5 765.8,1600.5 749.4,1847.2 1281.7,1880.8 1354.7,1812.7 1487.4,1641.2 1514.2,1596.4 1509.0,1485.5 1563.4,1309.2 1495.8,1144.2 1317.8,1187.9 816.9,1050.1 775.8,683.5 669.1,613.0 103.7,597.6 38.1,651.9 100.1,1519.2 92.2,1586.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[323.0,920.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5857135686033,37.434582412628764]}},{"type":"Feature","properties":{"resourceCoords":[761.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58453149108243,37.43298891298158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welch, West-Virginia | 1916 | sanborn09465_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:51:33Z","modified":"2026-10-19T05:51:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.0,806.5 1542.5,894.4 1336.4,973.0 1231.9,1162.6 933.2,1483.6 780.6,1568.8 780.0,1627.4 301.8,1791.3 125.9,1782.3 32.3,1605.4 81.3,190.4 293.7,192.8 293.1,147.6 736.6,149.3 740.8,390.2 1260.5,379.4 1325.8,307.3 1440.7,129.9 1463.0,84.2 1558.0,806.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651916:09465_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[303.0,827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58556350536224,37.432187637376856]}},{"type":"Feature","properties":{"resourceCoords":[743.0,1332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.58453253491606,37.43126657113859]}}]}}]}