{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03623_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lonaconing, Maryland | 1906 | 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"},{"label":"pages","value":"7"},{"label":"placed","value":"1"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.56455,-78.97929 +/-100m); p1__2 (tier 4, 39.56455,-78.97929 +/-100m); p1__3 (tier 4, 39.56455,-78.97929 +/-100m); p1__4 (tier 4, 39.56455,-78.97929 +/-100m); p2__2 (tier 4, 39.56455,-78.97929 +/-100m); p3 (tier 2, 39.56604,-78.98013 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036231906:03623_1906-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lonaconing, Maryland | 1906 | sanborn03623_003 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.36"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:42:34Z","modified":"2026-10-19T23:42:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036231906:03623_1906-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036231906:03623_1906-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.3,1480.8 100.7,1706.7 186.9,1780.0 897.7,1834.2 955.0,1710.8 939.9,1172.6 1013.5,893.7 1020.5,886.9 1021.2,883.0 1024.6,883.0 1126.6,785.0 1264.8,786.5 1368.6,643.2 1464.8,327.1 1575.3,186.4 1563.5,81.5 1361.6,46.6 492.4,175.4 91.3,60.5 42.0,202.6 37.3,1480.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036231906:03623_1906-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.0,1517.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9802894,39.563098]}},{"type":"Feature","properties":{"resourceCoords":[792.0,767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9794915,39.5648691]}}]}}]}