@misc{indiciae9aad58d5796a,
  title = {Geology and ground water of the Tualatin Valley, Oregon},
  author = {D. H. Hart and R. C. Newcomb},
  year = {1965},
  doi = {10.3133/wsp1697},
  url = {https://pubs.usgs.gov/publication/wsp1697},
  note = {Source identifier: wsp1697}
}