@misc{indiciaeccfa2faac586,
  title = {Seepage investigations of the Clackamas River, Oregon},
  author = {Karl K. Lee},
  year = {2011},
  doi = {10.3133/sir20115191},
  url = {https://pubs.usgs.gov/publication/sir20115191},
  note = {Source identifier: sir20115191}
}