@misc{indiciae9c8e470d2077, title = {Geologic maps and sections of the Ducktown, Isabella, and Persimmon Creek quadrangles, Tennessee and North Carolina}, author = {Robert Mann Hernon}, year = {1964}, doi = {10.3133/ofr6477}, url = {https://pubs.usgs.gov/publication/ofr6477}, note = {Source identifier: ofr6477} }