@article{32333,
      recid = {32333},
      author = {Trimble, Donald E.},
      title = {The geologic story of the Great Plains : a nontechnical  description of the origin and evolution of the landscape of  the Great Plains /},
      publisher = {U.S. Govt. Print. Off.,},
      address = {Washington :},
      pages = {55 p. :},
      year = {1980},
      note = {Includes index.},
      url = {http://library.usi.edu/record/32333},
}