@misc{indiciaed4941a1b7d1f,
  title = {Additions to the flora of the Spotted Ridge formation in central Oregon},
  author = {S.H. Mamay and C.B. Read},
  year = {1956},
  doi = {10.3133/pp274i},
  url = {https://pubs.usgs.gov/publication/pp274I},
  note = {Source identifier: pp274I}
}