@misc{indiciae9824164adff5,
  title = {Map showing geologic structures in the Rolla 1 degree by 2 degrees Quadrangle, Missouri},
  author = {W. P. Pratt},
  year = {1982},
  doi = {10.3133/mf1000a},
  url = {https://pubs.usgs.gov/publication/mf1000A},
  note = {Source identifier: mf1000A}
}