@misc{indiciaed8171559e6c2,
  title = {Memorandum on results of well drilling at Chinle, Navajo Indian Reservation, Apache County, Arizona},
  author = {L.C. Halpenny},
  year = {1949},
  doi = {10.3133/ofr4981},
  url = {https://pubs.usgs.gov/publication/ofr4981},
  note = {Source identifier: ofr4981}
}