@misc{indiciaebf266cfeb2fe,
  title = {Geology and ground-water resources of the lower Bighorn Valley, Montana},
  author = {Louis J. Hamilton and Q.F. Paulson},
  year = {1968},
  doi = {10.3133/wsp1876},
  url = {https://pubs.usgs.gov/publication/wsp1876},
  note = {Source identifier: wsp1876}
}