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）合作，对以该公园道为中心、宽度超2英里的走廊区域内的35幅7.5分矩形图幅（7.5-minute quadrangle）开展了制图测绘工作……