{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07513_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Barnesboro, Pennsylvania | 1930 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075131930:07513_1930-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Barnesboro, Pennsylvania | 1930 | sanborn07513_005 p1","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"14"}],"created":"2026-09-23T08:01:29Z","modified":"2026-09-23T08:01:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075131930:07513_1930-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075131930:07513_1930-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075131930:07513_1930-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[282.1,909.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7875636,40.6586757]}},{"type":"Feature","properties":{"resourceCoords":[337.4,845.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.7861108,40.6601251]}}]}}]}