@misc{indiciaeab11a96f5dd2,
  title = {Preliminary geologic map of the Valley Quadrangle, Clark County, Nevada},
  author = {S.C. Lundstrom and W. R. Page and V.E. Langenheim and O.D. Young and S. A. Mahan and G. L. Dixon},
  year = {1998},
  doi = {10.3133/ofr98508},
  url = {https://pubs.usgs.gov/publication/ofr98508},
  note = {Source identifier: ofr98508}
}