@article{226750,
      author = {Olson, J. C.},
      url = {http://library.usi.edu/record/226750},
      title = {Geology and uranium deposits of the Cochetopa and Marshall  Pass districts, Saguache and Gunnison Counties, Colorado /},
      publisher = {U.S. G.P.O.,},
      recid = {226750},
      pages = {iv, 44 p. :},
      address = {Washington :},
      year = {1987},
}