{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07541_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bolivar, Pennsylvania | 1909 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"11"},{"label":"placed","value":"5"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.39406,-79.15255 +/-320m); p1__4 (tier 4, 40.39406,-79.15255 +/-320m); p4__1 (tier 1, 40.39242,-79.15205 +/-159m); p5 (tier 4, 40.39406,-79.15255 +/-320m); p6__1 (tier 4, 40.39406,-79.15255 +/-320m); p6__2 (tier 4, 40.39406,-79.15255 +/-320m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bolivar, Pennsylvania | 1909 | sanborn07541_001 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.76"},{"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":"4058.0"},{"label":"split_canvas_h","value":"5814.4"}],"created":"2026-10-22T13:44:17Z","modified":"2026-10-22T13:44:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.0,1452.6 84.5,1452.6 88.5,1415.1 744.5,1428.6 951.4,1381.3 967.5,125.0 1013.5,102.5 1013.5,87.8 501.8,65.2 501.7,49.0 62.2,53.8 62.0,1452.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[62.0,856.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1525196,40.3930861]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1273.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1530078,40.3924099]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bolivar, Pennsylvania | 1909 | sanborn07541_001 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4058.0"},{"label":"split_canvas_y","value":"4845.2"},{"label":"split_canvas_w","value":"2394.0"},{"label":"split_canvas_h","value":"2806.8"}],"created":"2026-10-22T13:44:17Z","modified":"2026-10-22T13:44:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1040.5,1395.8 1063.6,1438.1 1049.2,1885.0 1321.7,1848.2 1536.3,1894.6 1497.1,1649.1 1538.4,1279.2 1072.7,1276.0 1072.0,1243.5 1040.5,1395.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.5,1272.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.15441925452491,40.392159403402594]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,1272.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.15347322853107,40.39176621633954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bolivar, Pennsylvania | 1909 | sanborn07541_001 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:44:17Z","modified":"2026-10-22T13:44:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"976.9,1829.0 536.0,1833.9 75.9,1838.9 75.2,1442.0 71.5,1033.3 74.5,616.8 16.4,617.4 240.3,124.3 361.5,164.8 729.1,29.3 1505.0,44.6 1565.9,94.5 1507.3,518.9 1579.4,604.3 1528.0,1208.3 1582.2,1837.6 1490.3,1882.5 1490.3,1867.8 977.0,1845.2 976.9,1829.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[536.0,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1501631,40.3963479]}},{"type":"Feature","properties":{"resourceCoords":[536.0,1443.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1511221,40.3950204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bolivar, Pennsylvania | 1909 | sanborn07541_001 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:44:17Z","modified":"2026-10-22T13:44:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"721.5,1846.5 522.4,1849.0 342.2,1877.6 327.7,1834.9 64.0,1737.2 60.8,211.7 176.3,223.4 399.2,125.5 383.7,67.0 661.3,22.8 1355.5,33.9 1567.3,68.0 1560.8,114.8 1336.5,610.7 1394.9,609.9 1392.5,1028.6 1397.0,1439.3 1398.2,1838.2 951.9,1843.7 721.5,1846.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[952.0,1439.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1530381,40.3958273]}},{"type":"Feature","properties":{"resourceCoords":[74.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1539299,40.3979329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bolivar, Pennsylvania | 1909 | sanborn07541_001 p4 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"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":"2026-10-22T13:44:17Z","modified":"2026-10-22T13:44:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.0,1455.3 1569.7,1454.4 1588.1,59.8 1130.7,58.8 689.2,57.8 517.1,57.4 461.3,57.2 264.4,56.8 85.8,82.4 199.3,433.2 362.2,438.0 539.0,438.0 550.6,443.5 662.0,976.9 612.4,1069.2 673.0,1275.7 606.3,1459.5 648.6,1708.7 820.0,1798.5 1058.9,1737.0 1084.9,1785.8 1116.6,1639.8 1117.0,1671.0 1564.9,1678.3 1592.0,1455.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075411909:07541_1909-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1572.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1530078,40.3924099]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.1530293,40.3941396]}}]}}]}