1. APHA, AWWA, and APCF: 1971, ‘Standard Methods for the Examination of Water and Wastewater’, 13th Ed., Amer. Pub. Health Assn., New York, N.Y.
2. Brandt, D. J. and Leddy, D. G.: 1973, ‘Factors Controlling Soluble Copper—(II) Levels in the Keweenaw Waterway’, Abstracts, 16th Conf. Great Lakes Res., Internatl. Assoc. Great Lakes Res.
3. Fetterolf, C. M.: 1972, Private communication.
4. Advances in Chemistry Series;E. A. Jenne,1968
5. Lee, G. F.: 1974, ‘Role of Hydrous Metal Oxides in the Transport of Heavy Metals in the Environment’, Proc. Symposium on Heavy Metals in the Environment, Vanderbilt Univ., In Press.