TY - RPRT TI - The influence of layout on Appalachian Trail soil loss, widening, and muddiness: Implications for sustainable trail design and management AU - Fletcher Meadema AU - Jeffrey L. Marion AU - Johanna Arredondo AU - Jeremy Wimpey PY - 2019 DO - 10.1016/j.jenvman.2019.109986 UR - https://pubs.usgs.gov/publication/70208826 ID - 70208826 ER -