RT Journal Article SR Electronic T1 Hugh Hammond Bennett and the creation of the Soil Conservation Service JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 37A OP 47A DO 10.2489/jswc.65.2.37A VO 65 IS 2 A1 Douglas Helms YR 2010 UL http://www.jswconline.org/content/65/2/37A.abstract AB