{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09068_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Salem, Virginia | 1891 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.28855,-80.05361 +/-933m); p3__2 (tier 4, 37.28855,-80.05361 +/-933m); p4__1 (tier 1, 37.28942,-80.06074 +/-242m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salem, Virginia | 1891 | sanborn09068_002 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4358.0"},{"label":"split_canvas_w","value":"2882.8"},{"label":"split_canvas_h","value":"3294.0"}],"created":"2026-09-21T15:10:49Z","modified":"2026-09-21T15:10:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1089.5 -0.0,1913.0 419.0,1913.0 419.1,1584.4 703.2,1578.9 720.7,1090.0 201.1,1096.8 359.4,1089.5 0.0,1089.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.9,1284.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.051169,37.280848]}},{"type":"Feature","properties":{"resourceCoords":[692.7,1284.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.04988,37.28104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salem, Virginia | 1891 | sanborn09068_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T15:10:49Z","modified":"2026-09-21T15:10:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1561.6,0.0 1559.3,33.1 1613.0,32.1 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0564793,37.2921645]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0569506,37.2938544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salem, Virginia | 1891 | sanborn09068_002 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-21T15:10:49Z","modified":"2026-09-21T15:10:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.6,0.0 103.1,1913.0 1209.0,1913.0 1498.0,1913.0 1613.0,1913.0 1613.0,321.5 850.8,324.9 849.7,0.0 136.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[988.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0536898,37.2935649]}},{"type":"Feature","properties":{"resourceCoords":[533.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0546682,37.2933778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salem, Virginia | 1891 | sanborn09068_002 p4 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2887.6"},{"label":"split_canvas_h","value":"5222.0"}],"created":"2026-09-21T15:10:49Z","modified":"2026-09-21T15:10:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"706.2,0.0 705.6,0.0 421.0,0.0 -0.0,-0.0 0.0,1299.8 721.9,1305.5 721.1,451.3 720.7,0.0 706.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090681891:09068_1891-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[249.0,512.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.053215,37.288217]}},{"type":"Feature","properties":{"resourceCoords":[532.9,1196.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.051251,37.285976]}}]}}]}