PT - JOURNAL ARTICLE AU - Cohee, Melville H. TI - The soil conservation imperative: Past versus present DP - 1986 Mar 01 TA - Journal of Soil and Water Conservation PG - 94--96 VI - 41 IP - 2 4099 - http://www.jswconline.org/content/41/2/94.short 4100 - http://www.jswconline.org/content/41/2/94.full