TY - BOOK AU - Bosworth, Duane A. AU - Foster, Albert B. TI - Approved Practices in Soil Conservation SN - 0813421705 U1 - 631.4 PY - 1982/// CY - Danville PB - The Interstate Printers and Publishers, Inc. KW - Agriculture and related technologies KW - Technology (Applied sciences) KW - Soil conservation ER -