@misc{indiciae666c50295f13,
  title = {Geologic map of the Burns Quadrangle, Oregon},
  author = {R. C. Greene and G. W. Walker and R.E. Corcoran},
  year = {1972},
  doi = {10.3133/i680},
  url = {https://pubs.usgs.gov/publication/i680},
  note = {Source identifier: i680}
}