{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07747_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Kittanning, Pennsylvania | 1903 | 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":"24"},{"label":"placed","value":"11"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 9, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 40.81045,-79.51610 +/-273m); p10__2 (tier 4, 40.81693,-79.52068 +/-1084m); p11__1 (tier 1, 40.80878,-79.52217 +/-141m); p11__3 (tier 1, 40.81170,-79.52540 +/-145m); p12__1 (tier 1, 40.82353,-79.52274 +/-302m); p12__2 (tier 1, 40.82821,-79.52485 +/-110m); p14__1 (tier 1, 40.83309,-79.52849 +/-192m); p14__2 (tier 1, 40.83352,-79.52858 +/-100m); p14__3 (tier 1, 40.83447,-79.52772 +/-210m); p7__2 (tier 1, 40.81480,-79.51688 +/-155m); p8__2 (tier 2, 40.81147,-79.51704 +/-100m); p9__2 (tier 1, 40.82140,-79.52085 +/-110m); p9__3 (tier 1, 40.82118,-79.52046 +/-126m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p11 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.40"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3864.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2588.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1110.1,1696.6 1207.7,1777.5 1426.5,1794.2 1501.8,1750.2 1539.6,1587.8 1555.8,283.3 1533.5,158.2 1450.3,118.3 1213.2,415.8 1071.0,423.8 1029.1,485.9 1035.8,1353.9 1110.1,1696.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,1757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.52306818810827,40.809293044474316]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.52221108345145,40.8098312304977]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p12 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.35"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3774.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3878.0"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.0,1886.9 297.9,1879.7 381.2,1891.6 374.6,1911.8 1564.5,1878.3 1578.7,984.2 1202.7,1005.1 1134.2,1029.5 1170.6,1081.7 1080.6,1090.0 960.9,992.2 848.2,1075.7 775.5,1004.7 592.8,968.9 181.8,980.5 56.1,1205.0 83.0,1886.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,1459.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5266538,40.8207156]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1459.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5239271,40.8222562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.8,78.3 284.1,38.4 525.4,105.8 1298.8,35.0 1358.0,117.2 1483.0,140.9 1479.2,633.9 1414.0,780.4 1464.0,1672.3 1370.0,1686.3 1300.3,1807.0 1084.2,1862.4 501.0,1882.2 210.9,1817.0 119.2,1664.5 122.8,78.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[952.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.52509603040707,40.82774552811955]}},{"type":"Feature","properties":{"resourceCoords":[139.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.52670387927311,40.826779011083104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"277.4,1851.0 277.7,1870.3 143.4,1860.5 142.9,1826.4 200.2,1714.4 137.8,1639.8 141.1,427.6 378.2,150.2 407.6,62.9 1483.5,15.5 1467.2,469.0 1470.0,940.0 1470.9,1393.9 1479.8,1848.7 277.4,1851.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5238231,40.8181977]}},{"type":"Feature","properties":{"resourceCoords":[1470.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5226521,40.8188677]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"439.6,27.3 1228.8,119.4 1484.6,81.1 1561.9,204.1 1549.5,384.6 1612.0,408.9 1612.0,478.2 1516.5,478.6 1507.3,1024.5 1489.4,1024.6 1526.6,1816.0 1307.0,1816.0 723.3,1816.2 723.1,1845.8 129.9,1841.8 125.2,1394.1 128.4,947.3 129.9,483.6 150.1,37.4 439.6,27.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1307.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5202122,40.8201036]}},{"type":"Feature","properties":{"resourceCoords":[1307.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5190136,40.8189265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.2,1395.5 113.2,946.7 105.0,498.7 105.0,58.0 703.9,54.2 703.6,24.3 1292.9,16.4 1493.3,13.8 1547.8,248.2 1612.0,247.2 1612.0,316.3 1612.0,434.9 1527.4,547.7 1553.5,1454.0 1497.0,1674.2 1547.7,1847.9 1428.7,1900.5 722.5,1864.4 134.6,1867.8 118.2,1395.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5191509,40.8172425]}},{"type":"Feature","properties":{"resourceCoords":[105.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.521292,40.8175365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.0,1836.5 38.4,1630.8 49.1,503.9 98.5,223.4 130.9,200.5 129.0,62.2 262.3,72.2 262.0,53.0 1456.0,53.0 1453.5,493.4 1459.1,941.0 1461.6,1389.6 1475.3,1861.5 257.6,1862.5 51.2,1859.6 82.0,1836.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1456.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.521292,40.8175365]}},{"type":"Feature","properties":{"resourceCoords":[262.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5236355,40.8161904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"306.5,55.5 1520.0,49.0 1522.0,946.6 1525.0,1390.1 1532.6,1826.1 1533.4,1861.6 1232.4,1832.8 1232.5,1845.1 619.9,1847.2 309.6,1859.2 309.7,1830.6 127.7,1839.8 139.6,1687.2 134.4,1584.8 100.2,1564.2 74.8,1593.4 43.2,1407.4 35.2,878.1 47.6,93.8 100.8,53.5 306.5,55.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[917.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5184131,40.8128463]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5185601,40.8148718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p7 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.69"},{"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":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1416.0,81.5 702.3,42.6 108.0,44.0 108.0,955.0 110.2,1405.1 116.8,1847.7 117.8,1894.9 145.8,1857.8 451.6,1877.8 668.4,1821.5 811.3,1535.1 877.9,888.5 882.0,876.1 882.0,874.0 883.9,870.6 966.5,625.3 1190.8,510.5 1175.1,397.7 1260.6,223.9 1344.3,112.9 1416.0,81.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5172227,40.8135316]}},{"type":"Feature","properties":{"resourceCoords":[108.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5185601,40.8148718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.1,40.4 131.6,75.3 77.2,50.9 52.8,105.2 30.6,483.4 27.8,1806.1 72.3,1878.0 247.2,1877.9 308.7,1788.3 564.8,1778.6 609.3,1850.5 893.8,1863.1 1144.5,1416.7 1468.4,1414.4 1563.9,1351.6 1522.3,131.9 1543.1,105.6 1543.2,94.5 1242.2,58.8 1242.1,71.1 628.1,59.2 317.0,64.0 317.7,35.4 135.1,40.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,961.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5157287,40.8101832]}},{"type":"Feature","properties":{"resourceCoords":[317.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5182626,40.8108037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kittanning, Pennsylvania | 1903 | sanborn07747_004 p9 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T02:21:34Z","modified":"2026-10-19T02:21:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.6,1854.3 302.7,1795.0 372.8,1867.7 487.4,1848.3 591.4,1540.3 784.8,1419.5 771.7,1273.7 843.1,1193.6 872.0,935.7 1407.2,945.2 1480.4,839.5 1439.2,671.7 1146.8,664.0 1122.6,664.0 1120.8,663.3 1102.4,662.8 659.9,499.4 668.1,198.3 260.5,37.8 259.2,106.3 164.2,106.2 152.5,649.5 134.6,649.5 167.9,1437.3 147.0,1437.2 196.6,1669.1 259.9,1669.3 256.6,1854.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824km:g3824km_g077471903:07747_1903-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[330.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5194709,40.8205427]}},{"type":"Feature","properties":{"resourceCoords":[330.0,1438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5182607,40.8193658]}}]}}]}