@misc{indiciaed761ca676429,
  title = {Geologic map of the Vicksburg quadrangle, La Paz County, Arizona},
  author = {David R. Sherrod and Richard D. Koch and Michael J. Grubensky},
  year = {1990},
  doi = {10.3133/gq1684},
  url = {https://pubs.usgs.gov/publication/gq1684},
  note = {Source identifier: gq1684}
}