@article{196946,
      note = {Distributed to depository libraries in microfiche.},
      author = {John, David A. and Bliss, James D.},
      url = {http://library.usi.edu/record/196946},
      title = {Grade and tonnage model of tungsten skarn deposits, Nevada  [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      recid = {196946},
      pages = {35 p. :},
      address = {[Menlo Park, Calif.] :},
      year = {1994},
}