{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06815_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Vernon, Ohio | 1887 | 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":"13"},{"label":"placed","value":"9"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 5, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p7__2 (tier 1, 40.39181,-82.49293 +/-100m); p7__5 (tier 1, 40.38954,-82.48048 +/-100m); p8__2 (tier 1, 40.38804,-82.47229 +/-100m); p8__3 (tier 1, 40.39469,-82.50005 +/-128m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"832.0,1867.1 417.3,1868.0 71.2,1859.9 69.8,1597.2 76.4,958.4 78.7,560.7 76.5,102.1 380.1,32.4 647.6,73.0 1189.2,36.1 1322.7,159.4 1527.6,145.4 1527.8,579.3 1627.0,1065.0 1627.0,1065.5 1537.0,1578.8 1577.4,1848.2 1072.1,1863.4 1022.3,1864.8 832.0,1867.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[93.0,1338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48559629778175,40.39170960073225]}},{"type":"Feature","properties":{"resourceCoords":[93.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48435108750168,40.39164500155618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p3","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1124.5,1834.7 613.0,1836.0 104.4,1841.2 100.0,1324.0 89.2,299.1 81.0,299.2 77.7,124.0 532.6,90.2 694.9,27.3 1486.7,33.8 1593.2,98.5 1607.9,95.0 1612.8,547.5 1613.0,939.9 1610.4,1570.2 1613.3,1829.5 1124.5,1834.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.485342,40.3945571]}},{"type":"Feature","properties":{"resourceCoords":[613.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4866842,40.3936746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.4,1364.8 65.4,703.2 66.8,232.5 97.3,68.2 1202.8,22.3 1552.3,86.6 1583.8,1736.5 1627.0,1742.9 1627.0,1793.1 1595.2,1794.5 1627.0,1856.9 590.0,1861.3 66.7,1862.5 63.4,1364.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,695.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48636622704277,40.39676290095901]}},{"type":"Feature","properties":{"resourceCoords":[584.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48535373734919,40.394587843971536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1606.5,1909.0 1608.5,1679.0 1597.7,22.6 1101.2,27.2 441.0,27.0 1.0,26.8 1.0,27.0 96.8,49.7 53.8,477.7 131.5,1058.4 57.0,1144.3 61.8,1832.8 102.3,1888.5 369.3,1908.3 369.3,1906.8 1108.5,1897.1 1108.5,1907.5 1606.5,1909.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4888272,40.3956518]}},{"type":"Feature","properties":{"resourceCoords":[441.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4864173,40.3967504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1101.8,1864.7 1101.6,1893.1 1101.4,1926.0 1050.0,1925.9 1011.5,1921.0 1012.2,1909.6 689.9,1891.5 703.9,1921.5 487.7,1926.0 338.6,1926.0 322.4,1925.8 63.8,1915.2 68.9,1685.8 80.4,33.9 592.5,37.5 1107.5,44.9 1599.7,48.1 1603.8,294.9 1596.4,541.4 1591.8,999.8 1589.2,1688.3 1588.1,1855.5 1101.8,1864.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48892636833563,40.394689020609356]}},{"type":"Feature","properties":{"resourceCoords":[590.0,533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48788603090358,40.39373171220818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"4222.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"424.7,1795.0 411.0,1551.1 480.2,1309.6 607.2,1279.3 719.6,834.0 854.1,602.3 905.8,544.5 930.4,544.5 1010.7,483.8 1017.6,67.4 1023.2,38.4 996.4,33.9 811.0,36.4 406.6,37.7 69.3,30.4 76.2,272.6 71.9,514.5 72.9,964.5 78.5,1640.3 79.5,1802.7 424.7,1795.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.48687368328088,40.39178838990107]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.49133634756446,40.39202451398415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p7 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2931.6"},{"label":"split_canvas_y","value":"2178.0"},{"label":"split_canvas_w","value":"3580.4"},{"label":"split_canvas_h","value":"1428.0"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.1,579.1 1535.0,583.7 962.5,573.5 846.2,668.5 790.0,896.4 1376.4,898.4 1538.0,829.2 1544.5,839.4 1543.1,579.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[732.9,544.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49511768660952,40.3931951581572]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,544.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49292734546731,40.393077255754264]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,901.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.4929892089107,40.39241083216475]}},{"type":"Feature","properties":{"resourceCoords":[732.9,901.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.49517955005291,40.392528734567684]}},{"type":"Feature","properties":{"resourceCoords":[1086.5,581.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4942587,40.3930797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p7 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2920.0"},{"label":"split_canvas_y","value":"3606.0"},{"label":"split_canvas_w","value":"3592.0"},{"label":"split_canvas_h","value":"4102.0"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"767.1,1306.0 809.5,1372.8 769.3,1646.1 813.0,1752.9 760.6,1844.2 857.5,1863.8 874.3,1898.8 855.7,1911.8 1595.2,1880.2 1588.2,1527.9 1586.5,1528.0 1572.7,1041.2 1544.3,1041.3 1511.4,1041.4 1510.9,990.5 1511.0,990.0 1515.5,951.5 918.6,926.8 766.8,1042.5 767.1,1306.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0007__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1504.2,1528.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4914325,40.3920371]}},{"type":"Feature","properties":{"resourceCoords":[1504.2,1041.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4913538,40.392935]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Vernon, Ohio | 1887 | sanborn06815_001 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.51"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T22:06:31Z","modified":"2026-10-18T22:06:31Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.7,1472.1 1585.6,1216.8 1583.0,727.0 1593.2,726.9 1577.5,1.0 1575.8,1.0 1570.2,85.2 1276.8,22.0 961.4,47.0 888.2,125.0 709.1,139.2 505.9,32.7 247.9,53.2 84.4,174.4 90.0,880.8 330.6,910.5 370.6,910.5 370.6,915.5 374.1,915.9 463.1,1219.0 947.2,1231.0 1054.6,1857.2 1483.8,1902.4 1593.3,1848.2 1580.7,1472.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g068151887:06815_1887-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4910768,40.3957666]}},{"type":"Feature","properties":{"resourceCoords":[375.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.4940435,40.395946]}}]}}]}