National Fire Danger Rating System (NFDRS) 2 : A uniform fire danger rating system that focuses on the environmental factors that control the moisture content of fuels
Flathead National Forest Fire Information, US Department of Interior, US Department of Agriculture (USDA), US Forest Service, Fire Terminology, MT, USA 2003. http://www.fs.fed.us/nwacfire/home/terminology.htm l, (For Fr - Amer) {70}