@misc{indiciaefb8ba3c6f37d,
  title = {Geochemical map of the Spanish Peaks Wilderness Study Area, Huerfano and Las Animas counties, Colorado},
  author = {K. E. Budding and Viki A. Lawrence},
  year = {1983},
  doi = {10.3133/mf1542b},
  url = {https://pubs.usgs.gov/publication/mf1542B},
  note = {Source identifier: mf1542B}
}