@misc{indiciae8a7098447a2d,
  title = {Geologic map of the Desolation Butte quadrangle, Grant and Umatilla Counties, Oregon},
  author = {James George Evans},
  year = {1989},
  doi = {10.3133/gq1654},
  url = {https://pubs.usgs.gov/publication/gq1654},
  note = {Source identifier: gq1654}
}