Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia with station point photographs

The US Geological Survey, in cooperation with the National Park Service, mapped 35 7.5-minute quadrangles, within a 2-mile-wide+ corridor centered on the Parkway,...美国地质调查局（US Geological Survey）与国家公园管理局（National Park Service）开展合作，对以该公园大道（Parkway）为中心、宽度逾2英里的廊道范围内的35幅7.5分地理四边形图幅（7.5-minute quadrangles）完成了测绘……