@article{120954,
      note = {One map on folded leaf in pocket.},
      author = {Tysdal, Russell G.},
      url = {http://library.usi.edu/record/120954},
      title = {Mineral resources of the Blacktail Mountains Wilderness  Study Area, Beaverhead County, Montana /},
      publisher = {U.S. G.P.O. ;},
      recid = {120954},
      pages = {vi, 21 p. :},
      address = {Washington :},
      year = {1987},
}