{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07687_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Glen Campbell, Pennsylvania | 1929 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 40.82216,-78.82682 +/-121m); p2__3 (tier 1, 40.81735,-78.82263 +/-148m); p2__4 (tier 1, 40.82300,-78.82693 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Campbell, Pennsylvania | 1929 | sanborn07687_005 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:56:19Z","modified":"2026-10-18T11:56:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"724.1,1859.5 666.5,1864.3 417.7,1866.1 109.4,1848.0 109.4,1870.5 30.3,1831.5 19.9,1626.8 113.3,444.2 211.7,36.0 987.0,140.2 1430.4,39.0 1565.8,173.7 1578.1,1188.4 1508.7,1629.2 1572.2,1851.2 1279.3,1815.6 721.2,1890.5 724.1,1859.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82624042506743,40.82177484213614]}},{"type":"Feature","properties":{"resourceCoords":[436.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82582389860632,40.82048337419305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Glen Campbell, Pennsylvania | 1929 | sanborn07687_005 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"2926.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T11:56:19Z","modified":"2026-10-18T11:56:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"730.6,92.8 730.6,90.8 672.7,101.1 421.0,126.4 107.2,137.1 109.4,160.0 129.3,167.6 193.4,311.1 70.3,653.0 67.9,1535.1 106.5,1753.0 324.8,1750.7 462.4,1416.0 514.1,1397.4 514.7,1395.5 519.6,1395.5 642.1,1351.5 637.4,1034.2 727.2,864.5 673.1,135.8 730.6,122.5 730.6,92.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871929:07687_1929-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[261.9,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82392318508846,40.8189697468604]}},{"type":"Feature","properties":{"resourceCoords":[437.8,679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8247107700142,40.819837559437325]}}]}}]}