@article{196702,
      note = {Distributed to depository libraries in microfiche.},
      author = {Powers, Richard Blake.},
      url = {http://library.usi.edu/record/196702},
      title = {Petroleum exploration plays and resource estimates, 1989,  onshore United States., Region 8,: Eastern Interior,  [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {196702},
      pages = {iii, 113 leaves :},
      address = {Denver, Colo. :},
      year = {1994},
}