Silent invaders
Subtitle: know the enemy : prevent the spread of noxious weeds.
Contributors: United States. Forest Service. Intermountain Region.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Region, Humbolt-Toiyabe National Forest
Published: 2007
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Weeds -- Control -- United States; Invasive plants -- United States -- Prevention
Notes: Panel title.

Shipping list no.: 2008-0045-P.