TY - BOOK AU - Crosson,Pierre R. AU - Brubaker,Sterling TI - Resource and environmental effects of U.S. agriculture SN - 0801829208 (Johns Hopkins University Press : pbk.) U1 - Cir. 333.76 C884 PY - 1982/// CY - Washington, D.C. PB - Distributed by Johns Hopkins University Press KW - Agriculture KW - Economic aspects KW - United States KW - Soil conservation KW - Environmental aspects N1 - Includes bibliographies and index ER -