@misc{indiciaeb5c4af1f6530,
  title = {Geologic map of the North Fork John Day River Roadless Area, Grant County, Oregon},
  author = {J. G. Evans},
  year = {1986},
  doi = {10.3133/mf1581c},
  url = {https://pubs.usgs.gov/publication/mf1581C},
  note = {Source identifier: mf1581C}
}