@misc{indiciae72b5b9599dae,
  title = {Ocher as a prospecting medium in the Montezuma district of central Colorado},
  author = {George J. Neuerburg and Theodore Botinelly},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/70232736},
  note = {Source identifier: 70232736}
}