Silicate Clay and Argillic Horizon Formation and Destruction In Soils of the Desert Project, New Mexico.
H. Curtis Monger, PO Box 30003 Dept. 3Q, New Mexico State University, Las Cruces, NM, Robert Grossman, USDA-NRCS (retired), Waverly, NE and John W. Hawley, HAWLEY GEOMATTERS, Albuquerque, NM