@misc{indiciaeee414277782b,
  title = {Maps showing areas of significant metallic mineral-resource potential in the Rolla 1° x 2° quadrangle, Missouri, as appraised in September 1980},
  author = {W. P. Pratt and R. L. Erickson and E. B. Kisvarsanyi and H. M. Wharton},
  year = {1984},
  doi = {10.3133/mf1005a},
  url = {https://pubs.usgs.gov/publication/mf1005A},
  note = {Source identifier: mf1005A}
}