{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03588_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chestertown, Maryland | 1903 | 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":"13"},{"label":"placed","value":"8"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 39.21664,-76.05998 +/-138m); p1__3 (tier 3, 39.21538,-76.06293 +/-677m); p3__2 (tier 1, 39.21030,-76.06285 +/-100m); p3__3 (tier 1, 39.20941,-76.06459 +/-100m); p4__2 (tier 1, 39.21529,-76.06996 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p2","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.7,213.0 1464.7,310.9 1511.6,364.5 1478.7,781.2 1542.2,1719.3 1056.4,1888.8 509.0,1847.2 76.2,1525.6 87.0,1499.3 152.8,1498.2 232.5,648.6 216.0,649.0 199.5,110.8 800.9,105.8 801.3,126.3 1438.8,103.8 1511.7,213.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[216.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0658884,39.2073565]}},{"type":"Feature","properties":{"resourceCoords":[812.0,649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.064792,39.2066133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1381.5,1867.7 1302.8,1748.2 1311.5,1626.5 1141.6,1507.2 1009.0,1507.9 975.4,1337.3 1012.5,962.7 1253.4,944.3 1444.0,845.9 1328.5,679.5 1166.2,667.9 984.8,568.2 940.0,197.9 833.1,52.6 119.5,52.4 100.9,382.4 55.1,392.3 109.8,391.4 113.8,807.1 122.0,1415.7 129.1,1678.5 130.3,1868.4 737.5,1866.4 737.8,1887.2 1381.5,1867.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[715.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.06134437078221,39.209786605949965]}},{"type":"Feature","properties":{"resourceCoords":[119.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.06503774953747,39.20819003382766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p4 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"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":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.8,15.4 118.6,634.2 117.0,1070.0 111.6,1503.8 117.7,1881.4 309.8,1883.3 575.8,1880.6 1191.4,1882.8 1612.0,1885.8 1612.0,1830.5 1553.5,1535.3 1238.7,1533.1 1243.9,1358.0 1610.8,1354.5 1471.9,825.7 1586.5,750.2 1544.6,709.9 1437.4,277.0 1458.4,254.2 1155.9,34.3 624.0,30.9 624.3,14.3 115.8,15.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[117.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0665427,39.209109]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0648915,39.2106378]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1740.4 1.0,1807.2 863.0,1901.5 862.9,1884.7 1410.7,1876.5 1402.2,1500.4 1404.9,1068.2 1403.8,634.1 1397.0,17.8 850.8,20.1 851.0,36.9 456.3,46.3 406.8,88.2 374.4,419.8 209.8,606.7 298.9,711.7 330.1,894.2 297.9,1472.6 256.8,1659.4 107.5,1786.0 1.0,1740.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[860.0,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0693083850709,39.209595892911395]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.06508490833588,39.20811024797768]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.6,1320.8 77.1,223.1 248.2,52.8 794.9,15.8 797.3,5.6 1057.0,10.0 1554.6,23.8 1552.5,577.2 1546.6,980.3 1541.4,1570.7 1540.4,1836.3 1031.2,1835.2 482.1,1831.7 482.1,1848.6 85.2,1853.8 31.6,1320.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1538.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.06927625333331,39.21209330503599]}},{"type":"Feature","properties":{"resourceCoords":[507.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0726022384747,39.21175047659442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"801.6,1834.1 304.8,1833.5 45.6,1836.0 58.5,1775.1 137.1,1754.6 207.5,1470.7 138.4,1347.6 134.6,850.8 121.5,829.4 78.8,849.0 35.0,500.9 63.0,389.4 153.2,349.0 144.3,173.2 385.7,29.5 582.0,21.9 983.5,28.0 1153.9,178.4 1336.5,144.2 1437.0,104.5 1566.4,715.9 1596.0,1666.0 1575.5,1819.2 1439.5,1868.8 802.2,1860.0 801.6,1834.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0721751,39.2139991]}},{"type":"Feature","properties":{"resourceCoords":[1358.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0712729,39.2147976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_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":"Chestertown, Maryland | 1903 | sanborn03588_003 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.92"},{"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":"2788.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.5,594.3 92.0,998.0 91.8,1589.3 93.0,1855.3 92.8,1872.0 657.9,1873.4 674.0,1814.3 695.1,1791.8 696.0,1661.4 696.0,1649.1 592.0,1532.9 639.5,118.2 696.0,85.4 92.1,66.1 94.5,594.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0692663,39.2121076]}},{"type":"Feature","properties":{"resourceCoords":[92.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0710135,39.2132497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chestertown, Maryland | 1903 | sanborn03588_003 p8 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2544.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3908.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:17:15Z","modified":"2026-10-22T13:17:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"696.9,1532.0 696.4,1608.5 724.2,1662.2 701.2,1683.3 1069.5,1639.0 1069.7,1669.7 1439.8,1912.0 1497.8,1912.0 1570.4,1614.8 1472.2,1355.2 1568.5,879.9 1473.1,540.5 1476.2,169.9 1104.8,115.8 1027.0,40.5 791.5,61.8 751.0,267.6 813.1,755.5 668.5,1210.1 692.4,1482.3 636.0,1476.9 656.9,1532.0 696.9,1532.0 696.9,1532.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035881903:03588_1903-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06751198188249,39.214925560455946]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06517355702715,39.215154075200644]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06459606664151,39.211606482924786]}},{"type":"Feature","properties":{"resourceCoords":[636.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06693449149685,39.21137796818009]}},{"type":"Feature","properties":{"resourceCoords":[1067.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0661918,39.2132535]}}]}}]}