@misc{indiciaec82c0a462d5d,
  title = {Geochemistry and ground-water movement in northwestern Minnesota},
  author = {R.W. Maclay and T. C. Winter},
  year = {2006},
  doi = {10.1111/j.1745-6584.1967.tb01233.x},
  url = {https://pubs.usgs.gov/publication/70170953},
  note = {Source identifier: 70170953}
}