@misc{indiciae64f5207e95b0,
  title = {Bouguer and isostatic residual gravity maps of the Colorado River region, including the Kingman, Needles, Salton Sea, and El Centro quadrangles},
  author = {John Mariano and M.G. Helferty and T. B. Gage},
  year = {1986},
  doi = {10.3133/ofr86347},
  url = {https://pubs.usgs.gov/publication/ofr86347},
  note = {Source identifier: ofr86347}
}