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Bob Pfeifer · Washington Dept. of Wildlife
94 sayfa · 1991
Statistics / Control / California sea lion / Seals (Animals) / Fishways
Bob Pfeifer · Washington Dept. of Fish and Wildlife, Fish Program, Inland Fish Division, Region 4
46 sayfa · 1996
Fishing surveys / Catch effort / Fishing
Bob Pfeifer · Washington Dept. of Wildlife
63 sayfa · 1991
California sea lion / Control / Steelhead (Fish) / Mortality / Predation (Biology)
Bob Pfeifer · Washington Dept. of Fish and Wildlife, Fish Program, Region 4
29 sayfa · 1998
Statistics / Fishing surveys / Fishers / Fishing
Bob Pfeifer · Washington Dept. of Fish and Wildlife, Fish Program, Inland Fish Division, Region Four
54 sayfa · 1999
Statistics / Fishing surveys / Fish stock assessment / Trout fisheries / Trout
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