@article{198549,
      note = {Distributed to depository libraries in microfiche.},
      author = {Powers, Richard Blake.},
      url = {http://library.usi.edu/record/198549},
      title = {Petroleum exploration plays and resource estimates, 1989,  onshore United States., Region 3,: Colorado Plateau and  Basin and Range [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {198549},
      pages = {iv, 112 leaves :},
      address = {Denver, Colo. :},
      year = {1993},
}