@misc{indiciae4a27df6727c6,
  title = {Preliminary geologic maps, cross sections, and explanation pamphlet for the Ophir and Mercur 7 1/2-minute quadrangles, Utah},
  author = {E. W. Tooker},
  year = {1987},
  doi = {10.3133/ofr87152},
  url = {https://pubs.usgs.gov/publication/ofr87152},
  note = {Source identifier: ofr87152}
}