program manual of operations. Public Health 

 Service Publ. No. 33. Superintendent of Docu- 

 ments Government Printing Office. Washington, 

 D.C. 

 (22S) U.S. Department of the Interior. 1967a. 

 Pollutional effects of pulp and paper mill wastes 

 in Puget Sound. Federal Water Pollution Con- 

 trol Administration. 



(229) U.S. Department of the Interior. 1967b. 

 Temperature and aquatic life. Federal Water 

 Pollution Control Administration. 



(230) Veselov, E. a. 1948. The effect of crude oil 

 pollution on fishes. Rybnoe Khoziastvo 12: 21- 

 22. (In Russian.) 



(231) Vinogradov, A. P. 1953. The Elementary 

 chemical composition of marine organisms. 

 Sears Foundation, New Haven, Conn. 



(232) Wagner, R. 1959. Sand and gravel operations. 

 Fifth Symposium Pacific Northwest on Siltation, 

 Proc. U.S. Public Health Service, Portland, 

 Oreg. 



(233) Wallen, I. E. 1951. The direct effect of tur- 

 bidity on fishes. Bull. Okla. Agr. Mech. Coll., 

 Biol. Sen 48: 27. 



(234) Washington Department of Fisheries. 1944. 

 Annual Report. Olympia, Wash. 



(235) WiEBE, A. H. 1935. The effect of crude oil 

 on fresh water fish, Amer. Fish. Soc, Trans. 

 65: 324-350. 



(236) Wilder, D. G. 1952. The relative toxicity of 

 certain metals to lobsters. J. Fish. Res. Board. 

 Canada, 8, 486; Water Poll. Abs. 25: 11,264. 



(237) Williams, L. G., and D. I. Mount. 1965. In- 

 fluence of zinc on periphytic communities. 

 Amer. J. Bot. 52(1): 26-34. 



(238) Wuhrmann, K., and H. Woker. 1948. Ex- 

 perimentelle Untersuchungen iJber die Ammon- 

 iak-und Blausaurevergiftung, Schweiz. Zeits. 

 Hydrologic. 1 1 : 20. 



(239) Wuhrmann, K., F. Zehender, and H. Woker. 

 1947. Uber die Fisherei-Biologische Bedentung 

 des Ammonium-und Ammoniakgehaltes Fliessen- 

 der Gewasser. Vierteliahrsschr. naturfarsch. 

 Gesellsch. Zurich 92: 198. 



(240) WuRTZ, C. B. 1962. Zinc effects on fresh water 

 moUusks. Nautilus 76(2): 53. 



(241) WURTZ, C. B., and C. E. Renn. 1965. Water 

 temperature and aquatic life. Edison Electric 

 Inst. Publ. No. 65-901. 99 pp. 



(242) Wurtz-Arlet, J. 1960. Laboratory study of 

 the toxicity of certain synthetic detergents to the 

 rainbow trout. Vortraege Originalfassung In- 

 tern. Kongr. Grenz Flaechenaktive Stoffe, 3 Co- 

 logne, 3(329), CA 57(10374). 



(243) Ziebell, C. D. 1960. Problems associated with 

 spawning and growth of salmonids in Northwest 

 Watersheds. Seventh Symposium on Water Pol- 

 lution Research, Proc. Pub. Health Service, 

 Portland, Oreg. 



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