PT - JOURNAL ARTICLE AU - Peter E. Black TI - Consider impact of resource <em>use</em> and <em>timing</em> on sustainability AID - 10.2489/jswc.64.1.5A DP - 2009 Jan 01 TA - Journal of Soil and Water Conservation PG - 5A--5A VI - 64 IP - 1 4099 - http://www.jswconline.org/content/64/1/5A.short 4100 - http://www.jswconline.org/content/64/1/5A.full