@article{229674,
      recid = {229674},
      author = {Whipkey, C. E. and Cavaroc, Victor V. and Flores, Romeo  M.},
      title = {Uplift of the Bighorn Mountains, Wyoming and Montana--a  sandstone provenance study /},
      publisher = {U.S. G.P.O. ;},
      address = {[Washington, D.C.] :},
      pages = {iv, 20 p. :},
      year = {1991},
      url = {http://library.usi.edu/record/229674},
}