{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07510_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Avonmore, Pennsylvania | 1913 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.52962,-79.46613 +/-322m); p2__2 (tier 2, 40.53016,-79.46620 +/-155m); p3__2 (tier 2, 40.53015,-79.46822 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avonmore, Pennsylvania | 1913 | sanborn07510_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.84"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T08:12:37Z","modified":"2026-10-19T08:12:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.6,823.4 55.3,1885.2 1191.7,1824.5 1528.5,1880.1 1573.3,1818.2 1571.5,779.9 1259.8,730.9 1250.0,731.0 1250.0,729.4 1248.4,729.1 1218.2,571.5 1149.5,524.2 587.3,537.3 586.5,531.1 584.5,531.1 584.5,516.7 528.5,106.3 367.3,57.9 366.7,1.0 338.0,1.0 333.9,442.5 101.7,822.1 1.0,822.0 1.0,824.5 30.6,823.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1129.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4617744,40.5295119]}},{"type":"Feature","properties":{"resourceCoords":[334.0,363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4643468,40.5306646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avonmore, Pennsylvania | 1913 | sanborn07510_001 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.54"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T08:12:37Z","modified":"2026-10-19T08:12:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.2,1724.2 57.4,1889.8 717.2,1890.5 686.3,1912.0 906.5,1912.0 1010.0,1590.7 1011.4,1590.7 1263.7,1584.5 1263.7,1582.0 1360.0,1581.9 1579.2,1221.4 1581.8,801.9 1609.0,801.8 1600.0,141.9 1517.8,40.2 1423.5,37.0 1366.0,372.1 1366.0,494.6 1366.0,494.6 1344.0,500.8 690.6,502.5 636.2,65.7 533.6,22.9 79.0,107.8 44.7,207.1 66.9,207.1 59.1,757.6 42.5,757.6 38.7,1724.2 14.2,1724.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[41.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4680688,40.5296873]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4643468,40.5306646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avonmore, Pennsylvania | 1913 | sanborn07510_001 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4040.0"},{"label":"split_canvas_y","value":"6346.8"},{"label":"split_canvas_w","value":"1614.0"},{"label":"split_canvas_h","value":"1305.2"}],"created":"2026-10-19T08:12:37Z","modified":"2026-10-19T08:12:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1014.7,1907.3 1394.6,1911.3 1397.2,1706.1 1211.2,1704.5 1212.2,1588.7 1069.0,1590.1 1050.0,1590.3 1030.4,1603.5 1080.7,1637.0 1017.1,1683.9 1014.7,1907.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,1586.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.46601231159426,40.52861596931063]}},{"type":"Feature","properties":{"resourceCoords":[1413.5,1586.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.4650920848233,40.52886703710429]}},{"type":"Feature","properties":{"resourceCoords":[1413.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.46482483179881,40.52829785838541]}},{"type":"Feature","properties":{"resourceCoords":[1010.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.46574505856977,40.528046790591745]}},{"type":"Feature","properties":{"resourceCoords":[1211.2,1704.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4654569,40.5285358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Avonmore, Pennsylvania | 1913 | sanborn07510_001 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.87"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T08:12:37Z","modified":"2026-10-19T08:12:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.1,976.2 304.5,1286.9 304.5,1322.0 293.6,1322.0 256.7,1440.5 130.9,1444.0 136.8,1788.7 631.9,1889.2 1561.3,1882.2 1611.4,1533.3 1582.4,238.1 1612.0,230.3 1612.0,204.2 585.0,201.0 585.0,183.3 1.0,175.6 1.0,199.5 54.7,218.1 36.9,835.1 89.2,954.4 44.8,970.3 89.8,975.4 302.1,976.8 304.5,976.8 304.5,976.9 314.7,1000.9 401.1,976.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075101913:07510_1913-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[998.0,1670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4714125,40.528811]}},{"type":"Feature","properties":{"resourceCoords":[585.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4683898,40.5304026]}}]}}]}