@misc{indiciae9d46e1501486,
  title = {Preliminary geologic map of the Hogback South Quadrangle, San Juan County, New Mexico},
  author = {R. B. O'Sullivan and G. R. Scott and J.S. Heller},
  year = {1979},
  doi = {10.3133/mf1093},
  url = {https://pubs.usgs.gov/publication/mf1093},
  note = {Source identifier: mf1093}
}