Johnson, Orlay W., Stewart W. Grant, Robert G. Kope, Kathleen Neely, William F. Waknitz, and Robin S. Waples. Status review of chum salmon from Washington, Oregon, and California In
NOAA Technical Memorandum NMFS-NWFSC. Vol. no.32. [Seattle, Wash.]: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1997.