PT - JOURNAL ARTICLE AU - F. Douglas Shields, Jr. TI - Long-term evaluation of regional erosion control AID - 10.2489/jswc.63.2.50A DP - 2008 Mar 01 TA - Journal of Soil and Water Conservation PG - 50A--50A VI - 63 IP - 2 4099 - http://www.jswconline.org/content/63/2/50A.short 4100 - http://www.jswconline.org/content/63/2/50A.full