@misc{indiciae6ead3ceb1274,
  title = {Hydrogeochemistry of rivers and lakes},
  author = {John David Hem and Adrian Demayo and Richard A. Smith},
  year = {1990},
  doi = {10.1130/dnag-gna-o1.189},
  url = {https://pubs.usgs.gov/publication/70199820},
  note = {Source identifier: 70199820}
}