@misc{indiciaecca2ff40eec4,
  title = {Geology of the magnesite belt of Stevens County, Washington},
  author = {Ian Campbell and John S. Loofbourow},
  year = {1962},
  doi = {10.3133/b1142f},
  url = {https://pubs.usgs.gov/publication/b1142F},
  note = {Source identifier: b1142F}
}