@misc{indiciaeb9d58b03f57c,
  title = {Hydrologic and geochemical approaches for determining ground-water flow components},
  author = {H. W. Hjalmarson and F. N. Robertson},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70016755},
  note = {Source identifier: 70016755}
}