TY  - RPRT
TI  - A spatial exploration of informal trail networks within Great Falls Park, VA
AU  - Jeremy Wimpey
AU  - Jeffrey L. Marion
PY  - 2011
DO  - 10.1016/j.jenvman.2010.11.015
UR  - https://pubs.usgs.gov/publication/70003776
ID  - 70003776
ER  -