@misc{indiciaef4a57d5d7ad3,
  title = {Geological and geophysical studies of the Navajo Nation: seminar},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/63},
  url = {https://pubs.usgs.gov/publication/63},
  note = {Source identifier: 63}
}