PT - JOURNAL ARTICLE AU - Timothy Beach AU - Nicholas P. Dunning TI - Ancient Maya terracing and modern conservation in the Petén rain forest of Guatemala DP - 1995 Mar 01 TA - Journal of Soil and Water Conservation PG - 138--145 VI - 50 IP - 2 4099 - http://www.jswconline.org/content/50/2/138.short 4100 - http://www.jswconline.org/content/50/2/138.full