@misc{indiciae623e402017db,
  title = {Geochemical and generalized geologic maps showing the distribution and abundance of silver in the Choteau 1 degree by 2 degrees Quadrangle, Montana},
  author = {D. J. Grimes and R. W. Leinz},
  year = {1980},
  doi = {10.3133/mf858c},
  url = {https://pubs.usgs.gov/publication/mf858C},
  note = {Source identifier: mf858C}
}