TY  - RPRT
TI  - Deterring off-trail hiking in protected natural areas: Evaluating options with surveys and unobtrusive observation: Final report
AU  - K.A. Hockett
AU  - Y.F. Clark
AU  - J.L. Leung
AU  - Marion
AU  - L. Park
PY  - 2010
UR  - https://pubs.usgs.gov/publication/70004551
ID  - 70004551
ER  -