na INLIS000000000012089 Ind 0010-1118012089 Resources and environmental effects of U.S. agriculture CROSSON, Pierre R. Pierre R. Crosson; Sterling Brubaker Washington, D.C. Resources for the Future 1982 xv, 255 p. : ill. ; 25 cm. xv, 255 p. : ill. ; 25 cm. ISBN 0-8018-2920-8 631.92CROr Index: p. 249-255 631.92 AGRICULTURE ENVIRONMENTAL IMPACT 117/2001-mfn13877 117/2001-mfn34901