feet wide, with an occasional pool up to 22 feet wide, and the flow in each was about 2' cubic feet per second. Each side channel was designated by a letter, and the sections were numbered from the upper end down. Thus, Section E2 is the second section in channel E, and E3 is the next one downstream. Cutthroat trout (Salmo henshawi) and eastern brook trout (Salvelinus fontinalis) were used in these experiments.
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Osgood R. Smith (1941) studied this question.