@misc{indiciae3984bebf1eb4,
  title = {Fossil and genetic history of a pinyon pine (Pinus edulis) isolate},
  author = {Julio L. Betancourt and William Schuster and Jeffry B. Mitton and R. Scott Anderson},
  year = {1991},
  doi = {10.2307/1940968},
  url = {https://pubs.usgs.gov/publication/70014927},
  note = {Source identifier: 70014927}
}