@misc{indiciae732788b9c9de,
  title = {Mineralogy of drill cores from the potash field of New Mexico and Texas},
  author = {Waldemar Theodore Schaller and Edward Porter Henderson},
  year = {1932},
  doi = {10.3133/b833},
  url = {https://pubs.usgs.gov/publication/b833},
  note = {Source identifier: b833}
}