@misc{indiciaeb90516716a51,
  title = {Implementation plan for the southern Pacific Border and Sierra-Cascade Mountains provinces},
  author = {Victoria E. Langenheim and Russell W. Graymer and Robert E. Powell and Kevin M. Schmidt and Donald S. Sweetkind},
  year = {2021},
  doi = {10.3133/ofr20211012},
  url = {https://pubs.usgs.gov/publication/ofr20211012},
  note = {Source identifier: ofr20211012}
}