@article{263460,
      note = {Cover title.},
      author = {Ashley, Roger P. and Evarts, Russell C.},
      url = {http://library.usi.edu/record/263460},
      title = {Lithology, petrography, and geochemistry of three cores  from the Goldfield mining district, Nevada [microform] /},
      publisher = {U.S. Dept. of the Interior, Geological Survey :},
      recid = {263460},
      pages = {iv, 142 leaves :},
      address = {[Denver, Colo.?] :},
      year = {1990},
}