RT Journal Article SR Electronic T1 Effects of traffic on soil physical characteristics and vegetative resources of the national mall JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 389 OP 393 VO 48 IS 5 A1 G.B. Runion A1 H. H. Rogers A1 C. W. Wood A1 S. A. Prior A1 R. J. Mitchell YR 1993 UL http://www.jswconline.org/content/48/5/389.abstract AB