@article{197030,
      note = {Distributed to depository libraries in microfiche.},
      author = {Gautier, Donald L. and Varnes, Katharine L.},
      url = {http://library.usi.edu/record/197030},
      title = {Plays for assessment in Region VIII, Eastern as of October  4, 1993 1995 National assessment of oil and gas /  [microform] :},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {197030},
      pages = {23 leaves ;},
      address = {[Denver, Colo.] :},
      year = {1993},
}