PT - JOURNAL ARTICLE AU - , TI - From the Chief DP - 1994 Nov 01 TA - Journal of Soil and Water Conservation PG - 518--520 VI - 49 IP - 6 4099 - http://www.jswconline.org/content/49/6/518.short 4100 - http://www.jswconline.org/content/49/6/518.full