PT - JOURNAL ARTICLE AU - Ralph E. Heimlich AU - Nelson L. Bills TI - An improved soil erosion classification for conservation policy DP - 1984 Jul 01 TA - Journal of Soil and Water Conservation PG - 261--266 VI - 39 IP - 4 4099 - http://www.jswconline.org/content/39/4/261.short 4100 - http://www.jswconline.org/content/39/4/261.full AB - Previous efforts to characterize sheet and rill erosion on cropland failed to separate physical characteristics of the land resources from the effects of cropping and conservation management. Now, a classification scheme that makes this separation is proposed and compared to erosion rate classifications and classifications based on the U.S. Department of Agriculture's land capability class system.