PT - JOURNAL ARTICLE AU - Yu-Fai Leung AU - Jeffrey L. Marion TI - Trail degradation as influenced by environmental factors: A state-of-the-knowledge review DP - 1996 Mar 01 TA - Journal of Soil and Water Conservation PG - 130--136 VI - 51 IP - 2 4099 - http://www.jswconline.org/content/51/2/130.short 4100 - http://www.jswconline.org/content/51/2/130.full