@misc{indiciae51602fddd234,
  title = {Description of the ground-water flow system in the Portland Basin, Oregon and Washington},
  author = {William D. McFarland and David S. Morgan},
  year = {1996},
  doi = {10.3133/wsp2470a},
  url = {https://pubs.usgs.gov/publication/wsp2470A},
  note = {Source identifier: wsp2470A}
}