@article{241106,
      note = {Distributed to some depository libraries in microfiche.},
      author = {Cannon, M. R.},
      url = {http://library.usi.edu/record/241106},
      title = {A geographic information system data base for coal and  water resources of the Powder River coal region,  southeastern Montana /},
      publisher = {U.S. Geological Survey,},
      recid = {241106},
      pages = {v, 83 p. ;},
      address = {Helena, Mont. :},
      year = {1990},
}