We ran across this in the Winter, 2006 edition of Fire Management Today. It was first published in Fire Management Notes in 1981.
Reprinted from Fire Management Today. Click to see larger version.
Typos, let us know HERE, and specify which article. Please read the commenting rules before you post a comment.
Related
Author: Bill Gabbert
After working full time in wildland fire for 33 years, he continues to learn, and strives to be a Student of Fire.
View all posts by Bill Gabbert