1. Cooper, J. J., Thomas, R. O., and Reed, S. M.: 1985, Total Mercury in Sediment, Water, and Fishes in the Carson RiverDrainage, West-Central Nevada, Nevada Division of Environmental Protection, 96 p.
2. Graf, W. L.: 1990, Annuals of the Ass. of Am. Geog. 80, 327.
3. Hogan, S.: 1994, Personal Communication. U.S. Environmental Protection Agency, San Francisco, California.
4. Lacerda, L. D., and Salomons, W.: 1992, Mercurio Na Amazonia: Uma Bomba Relogio Quimica?, Centro de Tecnologia Mineral, p. 78.
5. Lechler, P.: 1994, Unpublished Geochemical Data, Nevada Bureau of Mines and Geology, Reno, Nevada.