One-Hundred-Hour Time Lag Fuel : Dead fuel composed of round wood 1 to 3 in. in diameter; it is the layer of litter extending from approximately 0. 75 in. to 4 in. below the surface of the forest floor
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}