TY  - RPRT
TI  - The human footprint in the west: a large-scale analysis of anthropogenic impacts.
AU  - M. Leu
AU  - S.E. Hanser
AU  - S.T. Knick
PY  - 2008
DO  - 10.1890/07-0480.1
UR  - https://pubs.usgs.gov/publication/70033547
ID  - 70033547
ER  -