@misc{indiciae7e6047ee344f,
  title = {Mineral resource potential maps of the Black Butte and Elk Creek Roadless Areas, Mendocino, Lake, and Glenn counties, California},
  author = {H.N. Ohlin and R. J. McLaughlin and R.L. Oscarson and D.M. Peterson and R.B. Weed and James M. Spear},
  year = {1983},
  doi = {10.3133/mf1544a},
  url = {https://pubs.usgs.gov/publication/mf1544A},
  note = {Source identifier: mf1544A}
}