Digital Geologic Units of Great Smoky Mountains National Park and Vicinity, Tennessee and North Carolina (NPS, GRD, GRE, GRSM, GRSMGLG)
The Digital Geologic Units of Great Smoky Mountains National Park and Vicinity, Tennessee and North Carolina consists of geologic units mapped as area (polygon) features.  The data were completed as a component of the Geologic Resources Evaluation (GRE) program, a National Park Service (NPS) Inventory and Monitoring …