@misc{indiciaed9be7819c453,
  title = {Review of the history of usage of the Gallup Sandstone and related units, southern and western San Juan Basin, New Mexico},
  author = {A. R. Kirk and A. C. Huffman and R. S. Zech and J. F. Robertson and T.J. Jackson},
  year = {1978},
  doi = {10.3133/ofr781055},
  url = {https://pubs.usgs.gov/publication/ofr781055},
  note = {Source identifier: ofr781055}
}