{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06442_008.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Louisburg, North-Carolina | 1939 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904lm:g3904lm_g064421939:06442_1939-0001a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Louisburg, North-Carolina | 1939 | sanborn06442_008 p1a [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"40"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"4221.7"}],"created":"2026-10-19T10:37:49Z","modified":"2026-10-19T10:37:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904lm:g3904lm_g064421939:06442_1939-0001a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904lm:g3904lm_g064421939:06442_1939-0001a","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1055.4 1613,1055.4 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904lm:g3904lm_g064421939:06442_1939-0001a__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[418.3,461.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.298716,36.099575]}},{"type":"Feature","properties":{"resourceCoords":[417.5,506.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2995049,36.0984371]}}]}}]}