@article{200120,
      note = {Cover title.},
      author = {Sikora, Robert F.},
      url = {http://library.usi.edu/record/200120},
      title = {Principal facts for 133 gravity stations, with color maps  of Bouguer and isostatic residual gravity anomalies on the  Winnemucca 1° by 2° quadrangle, Nevada [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {200120},
      pages = {40 leaves :},
      address = {Menlo Park, Calif. :},
      year = {1991},
}