TY  - RPRT
TI  - Petrified Forest National Park Invasive Plant Species Survey and Mapping; 2002-2005
AU  - Kathryn A. Thomas
AU  - Randall J. Hunt
AU  - Terry R. Arundel
AU  - P. Guertin
PY  - 2009
DO  - 10.3133/ofr20091179
UR  - https://pubs.usgs.gov/publication/ofr20091179
ID  - ofr20091179
ER  -