{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09425_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Montgomery, West-Virginia | 1902 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 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, 38.18186,-81.32382 +/-152m); p1__2 (tier 4, 38.18186,-81.32382 +/-152m); p1__3 (tier 4, 38.18186,-81.32382 +/-152m); p2__2 (tier 2, 38.18219,-81.32370 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Montgomery, West-Virginia | 1902 | sanborn09425_002 p1 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1620.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6032.0"}],"created":"2026-10-17T23:54:29Z","modified":"2026-10-17T23:54:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.2,501.6 1406.3,420.7 937.5,418.0 816.0,451.0 786.1,529.6 786.2,544.0 780.6,544.0 778.5,549.7 4.1,547.8 107.8,685.0 55.3,818.8 117.8,891.2 106.4,1097.0 55.9,1131.4 112.6,1139.7 108.2,1352.7 42.0,1457.9 60.2,1791.1 52.3,1810.1 13.7,1798.3 4.2,1911.8 1460.7,1906.6 1461.2,1912.0 1486.4,1912.0 1522.8,1831.7 1510.4,1830.8 1507.8,1477.8 1498.0,747.0 1487.5,747.1 1566.2,501.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.3238829,38.1829078]}},{"type":"Feature","properties":{"resourceCoords":[248.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.3268469,38.1807564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Montgomery, West-Virginia | 1902 | sanborn09425_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.35"},{"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":"2026-10-17T23:54:29Z","modified":"2026-10-17T23:54:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.1,51.6 132.2,281.9 142.2,282.1 132.5,973.8 125.8,1307.9 137.5,1309.0 101.0,1384.1 77.2,1384.3 104.0,1790.2 195.4,1848.4 1365.4,1871.2 1520.8,1858.5 1563.7,1806.8 1536.4,977.6 1366.5,852.0 1363.8,851.4 1364.2,850.4 1361.0,848.0 1382.1,802.1 1490.0,511.4 1490.0,511.4 1496.1,512.8 1513.5,516.8 1549.0,439.8 1573.7,205.4 1498.7,87.3 1117.5,35.3 966.1,243.3 857.7,258.3 665.2,201.9 517.0,66.8 227.9,59.6 213.1,51.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094251902:09425_1902-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.322586,38.1808418]}},{"type":"Feature","properties":{"resourceCoords":[972.0,1335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.3216375,38.1808778]}}]}}]}