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Lynn R. Kaeding, Summer Use of Coolwater Tributaries of a Geothermally Heated Stream by Rainbow and Brown Trout, Oncorhynchus mykiss and Salmo trutta, The American Midland Naturalist, Vol. 135, No. 2 (Apr., 1996), pp. 283-292
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Lynn R. Kaeding (1996) studied this question.
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