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wild trout catchable trout symposium 1978 eugene
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Proceedings of the Wild Trout--Catchable Trout Symposium, Valley River Inn, Eugene, Oregon, February 15-17, 1978
Wild Trout--Catchable Trout Symposium (1978 Eugene, Or.) · Research and Development Section, Oregon Dept. of Fish and Wildlife
210 sayfa · 1978
Congresses / Environmental aspects of Fish stocking / Fish stocking / Fishery management / Trout