TY  - RPRT
TI  - Columbia River Estuary ecosystem classification—Concept and application
AU  - Charles A. Simenstad
AU  - Jennifer L. Burke
AU  - Jim E. O'Connor
AU  - Charles Cannon
AU  - Danelle W. Heatwole
AU  - Mary F. Ramirez
AU  - Ian R. Waite
AU  - Timothy D. Counihan
AU  - Krista L. Jones
PY  - 2011
DO  - 10.3133/ofr20111228
UR  - https://pubs.usgs.gov/publication/ofr20111228
ID  - ofr20111228
ER  -