@misc{indiciae7bfe2d8a7443,
  title = {Strontium isotope geochemistry of groundwaters and streams affected by agriculture, Locust Grove, MD},
  author = {J.K. Böhlke and M. Horan},
  year = {2000},
  doi = {10.1016/s0883-2927(99)00075-x},
  url = {https://pubs.usgs.gov/publication/70022209},
  note = {Source identifier: 70022209}
}