TY - BOOK AU - Schwab,Glenn O. AU - Frevert,Richard K. AU - Edminster,Talcott W. AU - Barnes,Kenneth K. TI - Soil and water conservation engineering SN - 0471030783 (hardback) AV - S623 S33 PY - 1981/// CY - New York PB - John Wiley & Sons, Inc. KW - Soil conservation and protection KW - Water conservation N1 - Includes index ER -