@misc{indiciae36c912f172fb,
  title = {Slides showing quantitative models for mineral-resource assessment of the Rolla 1 degree x 2 degrees Quadrangle, Missouri},
  author = {Kim-Marie Walker and S.K. Jenson and J. R. Francica and D. A. Hastings and C. M. Trautwein and W. P. Pratt},
  year = {1983},
  doi = {10.3133/ofr83387},
  url = {https://pubs.usgs.gov/publication/ofr83387},
  note = {Source identifier: ofr83387}
}