{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09409_010.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Huntington, West-Virginia | 1950 | key map | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Huntington, West-Virginia | 1950 | sanborn09409_010 p0a","metadata":[{"label":"streets","value":"50"},{"label":"intersections","value":"116"}],"created":"2026-09-21T12:30:32Z","modified":"2026-09-21T12:30:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000a","type":"ImageService3","width":1629,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1455.3,1636.3 1459.8,1655.5 1462.2,1662.4 1481.4,1692.2 1483.9,1698.7 1484.1,1703.2 1483.0,1708.2 1480.5,1713.1 1473.9,1721.3 1473.5,1725.7 1477.3,1727.8 1485.8,1725.9 1496.0,1725.6 1500.5,1727.9 1502.4,1731.4 1502.9,1738.6 1502.0,1745.2 1499.1,1752.9 1495.2,1759.3 1629.0,1745.4 1629.0,1920.0 -0.0,1920.0 0.0,0.0 1629.0,0.0 1629.0,1081.1 1615.3,1082.9 1617.2,1103.7 1595.5,1106.3 1596.4,1115.4 1582.0,1117.2 1581.1,1115.7 1580.3,1108.2 1530.6,1114.3 1529.5,1105.0 1528.5,1105.0 1424.2,1117.6 1433.1,1268.9 1431.2,1269.1 1439.0,1343.0 1437.2,1343.2 1453.2,1633.5 1454.6,1635.7 1455.3,1636.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1165.2,1366.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.455345,38.4072643]}},{"type":"Feature","properties":{"resourceCoords":[645.2,1312.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.49705,38.4072811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Huntington, West-Virginia | 1950 | sanborn09409_010 p0b","metadata":[{"label":"streets","value":"101"},{"label":"intersections","value":"134"}],"created":"2026-09-21T12:30:32Z","modified":"2026-09-21T12:30:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000b","type":"ImageService3","width":1634,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1358.9 2.5,1358.8 -0.0,1305.8 -0.0,1057.2 143.7,1055.0 145.1,1055.2 145.9,1067.7 214.7,1066.4 215.2,1076.5 216.4,1078.6 236.3,1078.2 235.7,1066.0 265.9,1065.5 264.7,1037.7 283.8,1037.2 342.9,0.0 1634.0,0.0 1634.0,1920.0 48.2,1920.0 54.1,1912.0 58.7,1902.2 60.4,1893.5 60.3,1883.8 57.9,1879.0 51.9,1875.3 37.9,1874.2 26.1,1875.6 21.0,1872.2 21.9,1866.5 31.6,1856.5 35.4,1850.4 37.2,1843.9 37.3,1837.8 34.4,1828.8 10.3,1786.6 7.3,1777.2 3.2,1752.3 -0.0,1747.0 -0.0,1358.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894hm:g3894hm_g09409195002:09409_02_1950-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[194.3,1413.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4221324,38.410152]}},{"type":"Feature","properties":{"resourceCoords":[333.1,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4158094,38.4182539]}}]}}]}