@misc{indiciae9c8596b47f16,
  title = {Preliminary isopach maps of the Cambrian Lamotte Sandstone and Cambrian Bonneterre Formation, Rolla 1 degree by 2 degrees Quadrangle, Missouri},
  author = {J. L. Thacker and K. H. Anderson},
  year = {1979},
  doi = {10.3133/mf1002a},
  url = {https://pubs.usgs.gov/publication/mf1002A},
  note = {Source identifier: mf1002A}
}