Nettleton, W. D., and Engle, R. J., 1985, Problems associated with soil taxonomy mineralogy classes of tephra-influenced soils in the Pacific Northwest: in Kittrick, J. A., (ed.), Mineral classification of soils, Symposium sponsored by Divisions S-5 and S-9 of the Soil Science Society of America, Proceedings, Atlanta, GA, Nov. 30, 1981, Madison, WI, Soil Science Society of America, p. 103-114.
Citation Updated: 2004-12-29 01:14:50