PT - JOURNAL ARTICLE AU - Willis, Roland R. TI - The SCSA view DP - 1985 Mar 01 TA - Journal of Soil and Water Conservation PG - 256--256 VI - 40 IP - 2 4099 - http://www.jswconline.org/content/40/2/256.short 4100 - http://www.jswconline.org/content/40/2/256.full