TY - BOOK AU - Buol,S.W. AU - Hole,Francis Doan AU - McCracken,R.J. TI - Soil genesis and classification SN - 0813814626 AV - S591 .B887 1989 U1 - 631.4 19 PY - 1989/// CY - Ames PB - Iowa State University Press KW - Soil science KW - Agriculture (General) N1 - Bibliography: (p. 393-438) ER -