@misc{indiciae420007f3075d,
  title = {Geologic map of the Spring Creek Basin Quadrangle, Owyhee County, Idaho},
  author = {J. A. Ach},
  year = {1986},
  doi = {10.3133/mf1889},
  url = {https://pubs.usgs.gov/publication/mf1889},
  note = {Source identifier: mf1889}
}