{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09470_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Wheeling, West-Virginia | 1951 | key map | mapsnap generated fit (2026-09-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-24"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wheeling, West-Virginia | 1951 | sanborn09470_007 p0L","metadata":[{"label":"streets","value":"40"},{"label":"intersections","value":"32"}],"created":"2026-09-24T02:33:30Z","modified":"2026-09-24T02:33:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000L","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,0.0 1638.3,-0.0 1614.3,961.9 1604.1,966.5 1618.2,1003.3 1600.7,1038.5 1613.2,1045.5 1638.4,1003.8 1658.7,983.3 1648.1,1025.4 1648.2,1030.3 1611.5,1073.8 1589.7,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.6,1563.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.7247409,40.0738224]}},{"type":"Feature","properties":{"resourceCoords":[1534.5,997.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6910039,40.0817277]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Wheeling, West-Virginia | 1951 | sanborn09470_007 p0R","metadata":[{"label":"streets","value":"65"},{"label":"intersections","value":"47"}],"created":"2026-09-24T02:33:30Z","modified":"2026-09-24T02:33:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000R","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,1060.5 38.3,1016.3 38.0,1011.5 48.4,969.8 27.0,990.8 -0.0,1032.4 -0.0,1001.6 5.2,991.3 -0.0,980.2 0.0,0.0 1658.0,-0.0 1658.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g09470195102:09470_02_1951-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[94.5,1102.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.687295,40.0749285]}},{"type":"Feature","properties":{"resourceCoords":[572.2,1292.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6736483,40.0595246]}}]}}]}