@misc{indiciae5203e1ecf9e5,
  title = {Preliminary report on the distribution of copper and platinum group metals in mafic igneous rocks of the Sierra Madre, Wyoming},
  author = {Robert Stroud Houston and J. Eric Schuster and Ballard E. Ebbett},
  year = {1975},
  doi = {10.3133/ofr7585},
  url = {https://pubs.usgs.gov/publication/ofr7585},
  note = {Source identifier: ofr7585}
}