@misc{indiciae859b183e5fb3,
  title = {Strontium isotopic systematics of mineralized and background water samples, Montezuma Mining District, Colorado},
  author = {Philip L. Verplanck and Robert L. Runkel},
  year = {2017},
  url = {https://pubs.usgs.gov/publication/70202008},
  note = {Source identifier: 70202008}
}