{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09052_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Onancock, Virginia | 1912 | 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":"9"},{"label":"placed","value":"7"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 4, georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 37.71186,-75.74620 +/-684m); p2__2 (tier 1, 37.70773,-75.74535 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.66"},{"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":"1574.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"347.6,1879.2 349.6,1518.8 360.5,1055.0 374.1,740.5 389.7,481.4 391.6,237.0 159.2,10.2 162.7,21.6 61.6,82.9 38.1,249.1 43.4,1887.5 347.6,1879.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74915980816114,37.71138464401581]}},{"type":"Feature","properties":{"resourceCoords":[393.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74896044504759,37.712076022667915]}},{"type":"Feature","properties":{"resourceCoords":[393.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.7447023508738,37.71130903152248]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74490171398735,37.710617652870376]}},{"type":"Feature","properties":{"resourceCoords":[360.4,1055.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.746629,37.711595]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1513.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1566.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"739.2,1590.9 738.0,78.0 434.3,81.0 409.4,1836.7 739.8,1809.4 739.2,1590.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[378.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74514388189725,37.710635123281975]}},{"type":"Feature","properties":{"resourceCoords":[770.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74496029606867,37.71132738255873]}},{"type":"Feature","properties":{"resourceCoords":[770.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74068590194294,37.71061928812583]}},{"type":"Feature","properties":{"resourceCoords":[378.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74086948777152,37.70992702884907]}},{"type":"Feature","properties":{"resourceCoords":[738.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.744801,37.711242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p1 [4]","metadata":[{"label":"streets","value":"3"},{"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":"3022.0"},{"label":"split_canvas_y","value":"3824.8"},{"label":"split_canvas_w","value":"3430.0"},{"label":"split_canvas_h","value":"3827.2"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"822.0,1038.3 796.8,1839.1 1571.7,1880.7 1582.2,990.5 1166.6,971.6 1165.9,1016.1 822.0,1038.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1160.3,1407.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.740091,37.710467]}},{"type":"Feature","properties":{"resourceCoords":[1160.3,1594.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.739688,37.710406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p2 [1]","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":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1757.5 1612.0,1719.9 1528.7,1704.0 1600.5,581.7 1558.9,444.0 1058.0,450.1 980.3,391.8 934.1,119.3 862.2,83.9 94.5,61.9 56.8,163.5 124.2,258.4 137.7,662.8 116.5,937.5 59.3,1000.3 41.3,1813.1 213.9,1826.5 213.3,1791.3 529.1,1783.7 528.9,1710.2 887.2,1716.0 865.4,1775.6 1612.0,1757.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[521.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.75214026097028,37.71193521229787]}},{"type":"Feature","properties":{"resourceCoords":[917.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.75221015896237,37.7126503676371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.7,1351.4 176.2,1631.9 169.6,1651.5 183.5,1645.8 282.2,1388.1 640.2,1562.8 727.6,1627.9 857.2,1752.1 1552.9,1894.4 1595.3,1699.7 1527.5,1336.2 1589.0,992.0 1533.0,192.2 1476.2,99.4 1365.0,76.3 1363.4,112.8 635.6,118.3 657.8,60.6 308.8,49.1 307.8,120.8 1.0,123.1 1.0,157.4 113.8,168.0 47.6,329.4 30.7,1351.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.74866608604667,37.712834234000006]}},{"type":"Feature","properties":{"resourceCoords":[314.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.75215379427247,37.7119585403223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.9,101.0 647.0,132.0 814.2,204.3 1526.4,93.9 1593.2,562.0 1584.2,1723.5 1612.0,1730.7 1612.0,1777.5 1366.4,1872.2 1365.5,1810.4 136.1,1778.0 130.1,1594.7 123.4,1137.2 125.0,826.9 130.8,562.0 124.6,354.4 135.6,355.9 138.5,61.3 540.9,101.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.74653907323842,37.71160745996196]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,417.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.74750858860797,37.71409406847121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Onancock, Virginia | 1912 | sanborn09052_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:52:21Z","modified":"2026-10-19T07:52:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.7,1890.0 92.5,1718.3 69.3,239.9 70.7,69.5 1279.2,154.4 1277.6,215.6 1523.0,132.4 1525.9,86.4 1564.7,77.8 1592.5,168.8 1583.8,1824.5 1524.2,1890.2 484.0,1890.8 484.1,1896.3 95.7,1890.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884om:g3884om_g090521912:09052_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74538296662537,37.711213590207706]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74456098209794,37.71414194551945]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74020160493862,37.71336529761595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.74102358946605,37.710436942304206]}}]}}]}