Soils at Prehistoric Agricultural Terracing Sites in New Mexico: #1) Site Placement, Soil, Morphology, and Classification; #2): Organic Matter and Bulk Density Changes; and #3) Phosphorus, Selected Micronutrients and pH, published in the SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, v. 50, no, 1 (1986)

by J.A. Sandor