{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07704_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hanover, Pennsylvania | 1886 | 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":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.79529,-76.98130 +/-272m); p1__2 (tier 1, 39.79749,-76.98222 +/-144m); p1__3 (tier 1, 39.80334,-76.97871 +/-100m); p2__1 (tier 1, 39.80319,-76.98473 +/-245m); p2__2 (tier 1, 39.80296,-76.98051 +/-105m); p3__2 (tier 4, 39.80039,-76.98324 +/-148m); p3__3 (tier 4, 39.80039,-76.98324 +/-148m); p3__4 (tier 4, 39.80039,-76.98324 +/-148m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1886 | sanborn07704_001 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-21T19:22:26Z","modified":"2026-09-21T19:22:26Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6247.0,7652.0 6237.5,352.4 6452.0,347.0 6452.0,0.0 -0.0,-0.0 0.0,5820.0 1504.4,5807.6 1694.0,5806.0 2365.2,5326.4 2802.4,5584.8 3136.0,5781.6 4248.4,5760.0 4247.6,7652.0 6247.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6248.0,3792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9832681,39.8004769]}},{"type":"Feature","properties":{"resourceCoords":[1452.0,3792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9854297,39.7990917]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1886 | sanborn07704_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:22:26Z","modified":"2026-09-21T19:22:26Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.3,7323.8 411.7,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,7316.3 302.3,7323.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041886:07704_1886-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.98474905939166,39.80154086766475]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9819162323557,39.80345038857682]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97898913478258,39.80085101629755]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.98182196181854,39.79894149538548]}}]}}]}