{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07682_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gettysburg, Pennsylvania | 1896 | 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":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.83068,-77.23154 +/-424m); p3__2 (tier 1, 39.83630,-77.23302 +/-100m); p5__2 (tier 1, 39.83133,-77.23492 +/-194m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gettysburg, Pennsylvania | 1896 | sanborn07682_003 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3096.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4555.2"}],"created":"2026-09-21T22:55:54Z","modified":"2026-09-21T22:55:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,1803.2 1151.6,1789.4 1151.5,1687.2 1613.0,1689.2 1613.0,774.2 0.0,775.6 -0.0,1913.0 222.5,1913.0 221.6,1811.1 1088.0,1803.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[752.0,1132.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2330953,39.8351523]}},{"type":"Feature","properties":{"resourceCoords":[702.0,1534.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2333325,39.833639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gettysburg, Pennsylvania | 1896 | sanborn07682_003 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-21T22:55:54Z","modified":"2026-09-21T22:55:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,41.8 832.7,48.8 850.0,-0.0 985.9,-0.0 1003.3,50.1 1554.8,54.1 1543.7,1835.4 1613.0,1835.9 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2333252,39.8308918]}},{"type":"Feature","properties":{"resourceCoords":[918.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2350104,39.8308754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gettysburg, Pennsylvania | 1896 | sanborn07682_003 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"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":"2026-09-21T22:55:54Z","modified":"2026-09-21T22:55:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1724.5 1613.0,646.1 1295.8,651.5 1280.7,0.0 123.6,0.0 124.5,200.3 124.7,226.2 128.7,1038.0 185.4,1061.4 183.2,1183.1 129.7,1204.4 133.0,1742.0 1613.0,1724.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,1108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2288833,39.8309375]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2311035,39.8297212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gettysburg, Pennsylvania | 1896 | sanborn07682_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:55:54Z","modified":"2026-09-21T22:55:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,114.8 1613.0,1913.0 71.9,1913.0 71.0,121.8 1613.0,114.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.2308090621233,39.829855739214864]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.23078590723163,39.8268299564086]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.23542595246299,39.826808718121114]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.23544910735465,39.829834500927376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gettysburg, Pennsylvania | 1896 | sanborn07682_003 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"2026-09-21T22:55:54Z","modified":"2026-09-21T22:55:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.8,1774.9 1588.7,1810.7 1585.8,1913.0 1613.0,1913.0 1613.0,1471.0 1029.5,1476.1 1020.4,576.6 520.5,578.1 517.7,0.0 -0.0,0.0 -0.0,266.5 90.8,269.6 56.8,1774.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076821896:07682_1896-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.228897,39.8297325]}},{"type":"Feature","properties":{"resourceCoords":[679.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.2310915,39.8285462]}}]}}]}