@article{122231,
      note = {"Work done in cooperation with the Colorado State Mining  Industrial Development Board."},
      author = {Van Alstine, Ralph Erskine,},
      url = {http://library.usi.edu/record/122231},
      title = {Geology and mineral deposits of the Poncha Springs SE  quadrangle, Chaffee County, Colorado,},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {122231},
      pages = {iii, 19 p. :},
      address = {Washington,},
      year = {1974},
}