@misc{indiciae000e0ae1647d,
  title = {Preliminary structure contour maps on top of the Cambrian Bonneterre formation and on top of Upper Cambrian strata, Rolla 1° x 2° quadrangle, Missouri},
  author = {K. H. Anderson},
  year = {1979},
  doi = {10.3133/mf1002h},
  url = {https://pubs.usgs.gov/publication/mf1002H},
  note = {Source identifier: mf1002H}
}