1. Amendments to the Federal Water Pollution Control Act (Public Law 92-500), U.S. Congress, approved in October, 1972.
2. An Evaluation of salmonid hatchery wastes;Bodien;Report of the U.S. Dep. Interior, Federal Water Quality Administration,1970
3. Pollutional aspects of trout hatcheries in British Columbia;Brisbin;Report for the British Columbia Department of Recreation and Conservation, Fish and Wildlife Branch,1971
4. Effects of accumulated excretory products on hatchery reared salmonids;Burrows;U.S. Dep. Interior, Bureau of Sport Fisheries and Wildlife,1964
5. Controlled environments for salmon propagation;Burrows;Prog. Fish-Cult.,1968