{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03665_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Westminster, Maryland | 1892 | 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":"11"},{"label":"placed","value":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 5, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.58234,-76.99892 +/-108m); p3__1 (tier 1, 39.54278,-77.10795 +/-235m); p3__2 (tier 1, 39.57159,-76.98777 +/-100m); p3__3 (tier 3, 39.57596,-76.99451 +/-757m); p3__4 (tier 1, 39.57120,-76.98902 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1358.4,71.7 1509.4,74.5 1494.9,687.0 1494.1,858.4 1484.0,1321.3 1479.8,1657.3 1477.5,1797.7 1356.5,1900.8 1181.7,1851.6 208.9,1877.0 115.9,1829.3 133.8,1645.9 42.8,1618.8 80.2,84.5 1359.0,47.2 1358.4,71.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1170.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99921516346676,39.575271636565866]}},{"type":"Feature","properties":{"resourceCoords":[1480.0,973.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99728069700402,39.574351793312076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1791.3 1.0,1815.0 145.6,1813.5 733.8,1808.0 822.4,1819.5 822.4,1800.6 1171.5,1806.1 1171.4,1798.2 1576.6,1868.3 1592.2,1817.5 1560.7,1535.7 1479.7,1491.0 1570.0,1258.6 1577.1,926.6 1481.1,843.8 1457.8,586.0 1582.8,273.9 1546.0,183.3 1467.6,158.4 1383.2,49.0 1304.7,24.0 146.6,144.0 79.9,403.4 124.9,944.3 23.8,1790.0 1.0,1791.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99726342953875,39.57645569924788]}},{"type":"Feature","properties":{"resourceCoords":[142.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99859364039742,39.57566561100243]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.3,1302.0 162.1,852.9 161.7,686.7 171.7,92.3 763.8,99.4 852.8,112.9 853.2,93.9 1204.5,107.0 1204.5,99.0 1610.9,178.3 1513.7,472.2 1523.3,934.6 1466.8,970.9 1512.0,1016.4 1461.7,1157.8 1501.4,1198.9 1311.2,1536.8 1426.0,1692.3 1182.0,1776.8 1182.0,1789.8 824.1,1788.2 824.1,1798.9 153.5,1626.2 155.3,1302.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[831.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99592997726037,39.57512956123132]}},{"type":"Feature","properties":{"resourceCoords":[159.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99860587582188,39.5756499708058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.8,201.5 173.0,64.0 172.9,62.2 852.5,226.4 852.4,215.5 1213.7,211.8 1213.5,198.7 1458.5,109.8 1510.3,178.0 1336.9,341.9 1427.0,784.2 1381.8,1120.9 1483.2,1200.1 1356.8,1373.6 1374.8,1478.3 1256.5,1676.2 1359.3,1738.0 1211.3,1759.9 1211.5,1727.2 889.5,1730.7 812.9,1722.9 520.5,1730.8 185.1,1729.3 148.2,1734.2 85.1,1677.7 75.0,1388.6 145.9,1053.9 58.3,631.6 57.6,305.1 173.8,201.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[180.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9949945423289,39.572161115584414]}},{"type":"Feature","properties":{"resourceCoords":[854.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99369435598749,39.57294377482008]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.1,24.6 428.6,23.4 725.5,13.1 803.5,20.4 1130.4,14.2 1130.5,47.5 1280.6,24.1 1484.4,144.4 1482.8,527.8 1558.1,549.0 1520.1,574.8 1568.4,666.8 1572.0,852.8 1488.0,962.1 1592.5,1088.2 1565.1,1827.2 1516.4,1850.8 1220.9,1868.4 1124.4,1865.3 447.7,1882.2 114.3,1887.7 126.7,1875.8 42.0,1664.2 68.1,45.1 50.7,29.8 88.1,24.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98913441465687,39.57079442517082]}},{"type":"Feature","properties":{"resourceCoords":[777.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99062319185941,39.56991266405945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1892 | sanborn03665_002 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:14:10Z","modified":"2026-10-19T14:14:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.7,54.1 1468.5,305.9 1565.3,1061.6 1558.0,1219.2 1483.2,1262.3 1480.2,1529.5 1565.5,1668.7 1574.2,1830.2 1386.0,1893.5 74.8,1860.3 37.1,335.4 51.4,77.7 136.8,17.9 475.3,27.2 1162.6,40.4 1260.4,47.9 1560.9,43.2 1535.7,54.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651892:03665_1892-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9873283,39.5667427]}},{"type":"Feature","properties":{"resourceCoords":[117.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9900449,39.5673315]}}]}}]}