@article{7706,
      author = {Schmitt, Leonard J.},
      url = {http://library.usi.edu/record/7706},
      title = {Geology and mineral deposits of the Needle Mountains  district, southwestern Colorado /},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {7706},
      pages = {vi, 40 p. :},
      address = {Washington :},
      year = {1977},
}