@misc{indiciaed5781ddb4a95,
  title = {The occurrence and distribution of strontium in U.S. groundwater},
  author = {MaryLynn Musgrove},
  year = {2021},
  doi = {10.1016/j.apgeochem.2020.104867},
  url = {https://pubs.usgs.gov/publication/70217071},
  note = {Source identifier: 70217071}
}