@misc{indiciae13241d0563ec,
  title = {Geologic maps and sections, Study Butte mine, Terlingua quicksilver district, Brewster County, Texas},
  author = {R. G. Yates and G. A. Thompson},
  year = {1966},
  doi = {10.3133/ofr66156},
  url = {https://pubs.usgs.gov/publication/ofr66156},
  note = {Source identifier: ofr66156}
}