@misc{indiciae4627fa119384,
  title = {Preliminary geologic map of the Redrock Valley SE quadrangle, Apache County, Arizona, and San Juan County, New Mexico},
  author = {C. A. Huffman and T. W. Jones},
  year = {1978},
  doi = {10.3133/ofr78404},
  url = {https://pubs.usgs.gov/publication/ofr78404},
  note = {Source identifier: ofr78404}
}