TY - RPRT TI - Preliminary evaluation of predation control measures for major predators in the Columbia River AU - P.T. Lofy AU - S.D. Duke AU - M.J. Parsley AU - M.G. Mesa AU - G.M. Sonneville AU - L.A. Prendergast PY - 1984 UR - https://pubs.usgs.gov/publication/70180844 ID - 70180844 ER -