@misc{indiciae5c045eb51d95,
  title = {Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill holes no. 14 and 15},
  author = {J.G. Viets and E. L. Mosier and S.K. McDanal},
  year = {1978},
  doi = {10.3133/ofr78470n},
  url = {https://pubs.usgs.gov/publication/ofr78470N},
  note = {Source identifier: ofr78470N}
}