@misc{indiciaee74ee1c4fe2b,
  title = {Columbia River Estuary ecosystem classification—Concept and application},
  author = {Charles A. Simenstad and Jennifer L. Burke and Jim E. O'Connor and Charles Cannon and Danelle W. Heatwole and Mary F. Ramirez and Ian R. Waite and Timothy D. Counihan and Krista L. Jones},
  year = {2011},
  doi = {10.3133/ofr20111228},
  url = {https://pubs.usgs.gov/publication/ofr20111228},
  note = {Source identifier: ofr20111228}
}