@article{121903,
      note = {Part of illustrative matter fold. in pocket.},
      author = {Mallory, William Wyman,},
      url = {http://library.usi.edu/record/121903},
      title = {The Eagle Valley evaporite, northwest Colorado --a  regional synthesis,},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {121903},
      pages = {iv, 37 p. :},
      address = {Washington,},
      year = {1971},
}