TY - RPRT TI - Mineral resources of the Big Frog Wilderness Study Area, Polk County, Tennessee and Fannin County, Georgia AU - John F. Slack AU - Gertrude C. Gazdik AU - Maynard L. Dunn PY - 1979 DO - 10.3133/ofr791209 UR - https://pubs.usgs.gov/publication/ofr791209 ID - ofr791209 ER -