@misc{indiciaee2f09ed1eaa8,
  title = {Principal facts for 133 gravity stations, with color maps of Bouguer and isostatic residual gravity anomalies on the Winnemucca 1° x 2° quadrangle, Nevada},
  author = {Robert Sikora},
  year = {1991},
  doi = {10.3133/ofr91256a},
  url = {https://pubs.usgs.gov/publication/ofr91256A},
  note = {Source identifier: ofr91256A}
}