@misc{indiciae6ff0aa8b52b5, title = {Mineral resources of the Big Frog Wilderness Study Area and additions, Polk County, Tennessee and Fannin County, Georgia}, author = {John F. Slack and Gertrude C. Gazdik and Maynard L. Dunn}, year = {1982}, doi = {10.3133/b1531}, url = {https://pubs.usgs.gov/publication/b1531}, note = {Source identifier: b1531} }