@misc{indiciae80d4f421d562,
  title = {Geologic map and section of the Red Springs anticline},
  author = {C. E. Dobbin and W.B. Kramer},
  year = {1940},
  doi = {10.3133/ofr402},
  url = {https://pubs.usgs.gov/publication/ofr402},
  note = {Source identifier: ofr402}
}