@misc{indiciaeda6fb7644d82,
  title = {Geologic map of the Rolla 1 degree by 2 degrees Quadrangle, Missouri},
  author = {W. P. Pratt and M.A. Middendorf and I.R. Satterfield and P.E. Gerdemann},
  year = {1985},
  doi = {10.3133/mf1000b},
  url = {https://pubs.usgs.gov/publication/mf1000B},
  note = {Source identifier: mf1000B}
}