@misc{indiciaef173fba5af03,
  title = {Quality of shallow ground water in alluvial aquifers of the Willamette Basin, Oregon, 1993-95},
  author = {Stephen R. Hinkle},
  year = {1997},
  doi = {10.3133/wri974082b},
  url = {https://pubs.usgs.gov/publication/wri974082B},
  note = {Source identifier: wri974082B}
}