TY - RPRT TI - Monitoring fish abundance and behavior, using multi-beam acoustic imaging sonar, at a Selective Water Withdrawal structure in Lake Billy Chinook, Deschutes River, Oregon, 2020 AU - Collin D. Smith AU - Tyson W. Hatton AU - Noah S. Adams PY - 2022 DO - 10.3133/ofr20221038 UR - https://pubs.usgs.gov/publication/ofr20221038 ID - ofr20221038 ER -