00948nam a2200313 4500 1406778 000 20150414112900.0 000 000 83019094 0801832071 UOEL DLC DLC n-us--- S624.A1 C76 1983 631.4/5 19 Crosson, Pierre R. Productivity effects of cropland erosion in the United States / Pierre R. Crosson with Anthony T. Stout. Washington, D.C. : Resources for the Future, 1983. xii, 103 p. : ill. ; 26 cm. Includes bibliographies and index. Soil erosion United States. Soil productivity United States. Crops and soils United States. Crop yields United States. Stout, Anthony T. 7 cbc orignew 1 ocip 19 y-gencatlg lcc LL 4855 4855 0 0 lcc 0 0 UOE UOE GEN 2015-04-14 0 S624.A1 C76 1983 20055058 2026-04-27 12:02:58 20055058 2015-04-14 LL