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LITERATURE CITED 



Butler, R. L. 1979. Anchor ice, its formation and effects on 

 aquatic life. Science in Agriculture, Vol. XXVI, Number 

 2, Winter, 1979. .^,-'- 



Chapman, D. W. , and T. C. Bjornn. 1968. Distribution of 

 salmonids in streams, with special reference to food 

 and feeding. In Symposium on Salmon and Trout in 

 Streams, H. R. MacMillan Lectures in Fisheries, Univ. 

 of British Columbia, Vancouver, B.C., pp. 153-176. 



Cooper, E. L. 1953. Periodicity of growth and change of 

 condition of brook trout (Salvelinus fontinalis) in 

 three Michigan trout streams. Copeia 1953(2 ): 107-114. 



Graham, P. J., D. Read, S. Leathe, J. Miller and K. Pratt. 

 1980. Flathead River Basin Fishery Study. Montana Dept. 

 Fish, Wildlife and Parks. Kalispell, Montana. 118pp. 



Hanson, D. L. 1977. Habitat selection and spatial 

 interaction in allopatric and sympatric populations of 

 cutthroat and steelhead trout. Doctoral Dissertation, 

 Univ. of Idaho. 66pp. 



