@article{241147,
      note = {Distributed to some depository libraries in microfiche.},
      author = {Billingsley, George H.},
      url = {http://library.usi.edu/record/241147},
      title = {Geologic map of the Wolf Hole Mountain East quadrangle,  northern Mohave County, Arizona /},
      publisher = {U.S. Geological Survey,},
      recid = {241147},
      pages = {1 map :},
      address = {[Menlo Park, Calif.] :},
      year = {1990},
}