@misc{indiciaea2474d259115,
  title = {PRE-ORE POTASSIUM METASOMATISM, CREEDE MINING DISTRICT, COLORADO.},
  author = {P. M. Bethke and R. O. Rye and P. B. Barton},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/70013011},
  note = {Source identifier: 70013011}
}