TY - RPRT TI - Synthesis of downstream fish passage information at projects owned by the U.S. Army Corps of Engineers in the Willamette River Basin, Oregon AU - Amy C. Hansen AU - Tobias J. Kock AU - Gabriel S. Hansen PY - 2017 DO - 10.3133/ofr20171101 UR - https://pubs.usgs.gov/publication/ofr20171101 ID - ofr20171101 ER -