1952. The mortality and growth of marked and Pacific Division, Bonneville, The Dalles and 



unmarked lake trout fingerlings in the presence McNary Dams, Columbia River, Oregon and 



of predators. Trans. Amer. Fish. Soc. 81: 17-34. Washington, 1957-59. Prepared by the U.S. Army 



Engineer Districts, Portland and Walla Walla, 

 U.S. Army Corps of Engineers. Corps of Engineers. Portland, Oregon. [Each 



1957-59. Annual fish passage report, North year published separately.] 



180 



U.S. FISH AND WILDLIFE SERVICE 



