@misc{indiciaeb5106111e617,
  title = {Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1° by 2° quadrangle, Missouri: Drill hole No. 22},
  author = {Elwin L. Mosier and J.G. Viets and M. S. Erickson and S.K. McDanal},
  year = {1980},
  doi = {10.3133/ofr80701},
  url = {https://pubs.usgs.gov/publication/ofr80701},
  note = {Source identifier: ofr80701}
}