TY  - RPRT
TI  - Trail impacts and trail impact management related to ecotourism visitation at Torres del Paine National Park, Chile
AU  - T. A. Farrell
AU  - J. L. Marion
PY  - 2002
DO  - 10.1080/14927713.2001.9649928
UR  - https://pubs.usgs.gov/publication/5224184
ID  - 5224184
ER  -