@misc{indiciae8b1ce830c8a4,
  title = {Strontium isotope detection of brine contamination in the East Poplar oil field, Montana},
  author = {Zell E. Peterman and Joanna N. Thamke and Kiyoto Futa and Thomas A. Oliver},
  year = {2010},
  doi = {10.3133/ofr20101326},
  url = {https://pubs.usgs.gov/publication/ofr20101326},
  note = {Source identifier: ofr20101326}
}