@misc{indiciae69c2b2fd7ee3,
  title = {The subenvelope map as a tool for delineating linear features in the Georgia Piedmont and coastal plain},
  author = {Larry Mayer and David C. Prowell and Juergen Reinhardt},
  year = {1977},
  doi = {10.3133/ofr77695},
  url = {https://pubs.usgs.gov/publication/ofr77695},
  note = {Source identifier: ofr77695}
}