@article{240793,
      note = {Cover title.},
      author = {Billingsley, George H.},
      url = {http://library.usi.edu/record/240793},
      title = {Geologic map of the Lost Spring Mountain West quadrangle,  northern Mohave County, Arizona [microform] /},
      publisher = {U.S. Geological Survey,},
      recid = {240793},
      pages = {10 p. :},
      address = {[Menlo Park, CA] :},
      year = {1993},
}