TY - RPRT TI - Minimum Pool and Bull Trout Prey Base Investigations at Beulah Reservoir - Final Report for 2008 AU - Brien P. Rose AU - Matthew G. Mesa PY - 2009 DO - 10.3133/ofr20091068 UR - https://pubs.usgs.gov/publication/ofr20091068 ID - ofr20091068 ER -