{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09049_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newport News, Virginia | 1899 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090491899:09049_1899-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newport News, Virginia | 1899 | sanborn09049_006 p1","metadata":[{"label":"streets","value":"46"},{"label":"intersections","value":"231"}],"created":"2026-09-22T20:16:23Z","modified":"2026-09-22T20:16:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090491899:09049_1899-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090491899:09049_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 0.0,-0.0 422.1,-0.0 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090491899:09049_1899-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[589.4,429.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.417665,36.986787]}},{"type":"Feature","properties":{"resourceCoords":[612.5,297.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4130287,36.9878404]}}]}}]}