{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07840_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Jewett, Pennsylvania | 1898 | 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":"8"},{"label":"placed","value":"1"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 41.72427,-78.64251 +/-100m); p1__3 (tier 4, 41.72427,-78.64251 +/-100m); p1__4 (tier 4, 41.72427,-78.64251 +/-100m); p2__1 (tier 4, 41.72427,-78.64251 +/-100m); p2__2 (tier 4, 41.72427,-78.64251 +/-100m); p2__3 (tier 4, 41.72427,-78.64251 +/-100m); p2__4 (tier 4, 41.72427,-78.64251 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078401898:07840_1898-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Jewett, Pennsylvania | 1898 | sanborn07840_001 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.12"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3030.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3422.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T15:02:14Z","modified":"2026-10-18T15:02:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078401898:07840_1898-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078401898:07840_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"831.9,69.0 816.5,383.3 871.5,403.8 819.7,942.0 863.0,954.4 856.1,994.6 1064.3,1068.7 1109.2,1156.6 1093.8,1438.1 1141.5,1451.8 1154.9,1535.3 1122.5,1647.9 1094.0,1649.0 1096.2,1804.3 1271.7,1878.3 1541.3,1852.9 1588.9,629.2 1505.8,103.8 1215.3,38.9 1142.9,79.0 831.9,69.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078401898:07840_1898-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.3,462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.6406911,41.7248976]}},{"type":"Feature","properties":{"resourceCoords":[1108.3,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.6459087,41.7237766]}}]}}]}