{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07687_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Glen Campbell, Pennsylvania | 1903 | 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":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 2, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 40.82144,-78.82647 +/-122m); p2__4 (tier 1, 40.81743,-78.82371 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0001/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 | 1903 | sanborn07687_002 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:47:31Z","modified":"2026-10-18T11:47:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"565.5,1883.8 447.8,1886.0 98.3,1870.7 150.6,1691.5 50.4,1042.4 148.7,127.7 300.6,29.9 711.4,40.2 950.4,144.1 1118.9,138.7 1240.4,60.4 1452.8,69.7 1553.2,185.5 1575.8,540.8 1502.5,1000.7 1584.5,1274.7 1501.1,1612.2 1522.2,1805.0 712.9,1902.8 565.5,1883.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[949.0,1358.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82623469237018,40.82175619808413]}},{"type":"Feature","properties":{"resourceCoords":[447.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82581918711129,40.82043885503221]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__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 | 1903 | sanborn07687_002 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"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":"3162.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T11:47:31Z","modified":"2026-10-18T11:47:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.9,112.2 39.3,575.4 101.5,1773.7 86.2,1780.2 121.7,1782.1 108.0,1820.0 316.9,1845.8 319.9,1827.8 513.7,1417.2 685.0,1266.0 756.5,745.5 729.1,97.0 757.5,91.0 606.5,84.6 487.4,97.2 131.9,112.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[490.7,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82474557738335,40.81982041331578]}},{"type":"Feature","properties":{"resourceCoords":[318.8,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.82396580295514,40.81896498272629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__3/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 | 1903 | sanborn07687_002 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3162.0"},{"label":"split_canvas_y","value":"3426.8"},{"label":"split_canvas_w","value":"3290.0"},{"label":"split_canvas_h","value":"4225.2"}],"created":"2026-10-18T11:47:31Z","modified":"2026-10-18T11:47:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"844.8,910.7 829.9,1125.1 790.5,1113.2 790.5,1149.6 1005.3,1586.4 979.2,1797.4 1352.2,1791.8 1442.0,1872.7 1560.0,1859.7 1496.6,1418.9 1606.1,1304.3 1528.4,984.9 844.8,910.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824gm:g3824gm_g076871903:07687_1903-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[790.5,856.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.82272536044775,40.81836358339989]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,856.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.82125055848374,40.81739485084271]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.82289021388507,40.81595759089494]}},{"type":"Feature","properties":{"resourceCoords":[790.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.82436501584908,40.81692632345212]}},{"type":"Feature","properties":{"resourceCoords":[1229.2,1245.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.822542,40.817318]}},{"type":"Feature","properties":{"resourceCoords":[1229.2,1245.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.822542,40.817318]}}]}}]}