PT - JOURNAL ARTICLE AU - Verlon K. Tony Vrana TI - The SWCS view DP - 1990 Sep 01 TA - Journal of Soil and Water Conservation PG - 506--506 VI - 45 IP - 5 4099 - http://www.jswconline.org/content/45/5/506.short 4100 - http://www.jswconline.org/content/45/5/506.full