@article{200016,
      note = {Relief shown by contours and spot heights.},
      author = {Glen, J. M. and Ponce, David A.},
      url = {http://library.usi.edu/record/200016},
      title = {Aeromagnetic map of the Beatty quadrangle,  Nevada--California [microform] /},
      publisher = {The Survey ;},
      recid = {200016},
      pages = {1 map ;},
      address = {[Menlo Park, Calif.] :},
      year = {1991},
}