{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07657_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Emporium, Pennsylvania | 1892 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3, snap:1 1, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p5 (tier 1, 41.51023,-78.24138 +/-248m); p6__1 (tier 1, 41.50894,-78.23802 +/-113m); p6__3 (tier 1, 41.51285,-78.24463 +/-205m); p7__1 (tier 3, 41.51017,-78.22933 +/-365m); p7__2 (tier 1, 41.50946,-78.22780 +/-211m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Emporium, Pennsylvania | 1892 | sanborn07657_002 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T22:05:30Z","modified":"2026-09-23T22:05:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"794.3,811.6 301.6,895.2 250.1,589.6 -0.0,630.4 -0.0,-0.0 1613.0,0.0 1613.0,143.2 1582.9,164.0 1613.0,179.7 1613.0,952.1 842.5,1089.7 794.3,811.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23746455321387,41.51431922246722]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23359945038385,41.51405646147735]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23401269971423,41.510599687461855]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23787780254423,41.51086244845173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Emporium, Pennsylvania | 1892 | sanborn07657_002 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-23T22:05:30Z","modified":"2026-09-23T22:05:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1078.7,1913.0 1077.0,1813.0 399.6,1819.5 384.4,1060.1 -0.0,999.4 -0.0,0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[691.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.233588,41.5117764]}},{"type":"Feature","properties":{"resourceCoords":[1077.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.235552,41.510959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Emporium, Pennsylvania | 1892 | sanborn07657_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T22:05:30Z","modified":"2026-09-23T22:05:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.0,1766.4 -0.0,1766.6 -0.0,598.6 309.8,596.9 306.6,97.3 1281.8,90.6 1283.0,193.6 1613.0,194.9 1613.0,1913.0 1395.5,1913.0 1395.3,1856.8 44.3,1862.3 44.0,1766.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.2355558558041,41.51329093108867]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23527743090696,41.510371244511056]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.23986925547577,41.510122232543964]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.2401476803729,41.51304191912158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Emporium, Pennsylvania | 1892 | sanborn07657_002 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T22:05:30Z","modified":"2026-09-23T22:05:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 291.6,-0.0 291.4,93.2 1613.0,95.3 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2420031,41.5123651]}},{"type":"Feature","properties":{"resourceCoords":[832.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2440002,41.5117325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Emporium, Pennsylvania | 1892 | sanborn07657_002 p6 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3834.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2617.2"},{"label":"split_canvas_h","value":"2682.8"}],"created":"2026-09-23T22:05:30Z","modified":"2026-09-23T22:05:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 958.7,0.0 965.4,670.7 1613.0,670.4 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076571892:07657_1892-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.1,600.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2357365,41.5127233]}},{"type":"Feature","properties":{"resourceCoords":[1514.1,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.235844,41.513712]}}]}}]}