Anyone interested in reading the USDA Forest Service publication "An Axe to Grind - A Practical Ax Manual" by Bernie Weisgerber can find it here:
http://www.fhwa.dot.gov/download/hep/fspubs/pdf99232823.pdf (17.705 MB)
http://www.fhwa.dot.gov/environment/fspubs/99232823/index.htm (online version)
http://www.fhwa.dot.gov/download/hep/fspubs/pdf99232823.pdf (17.705 MB)
http://www.fhwa.dot.gov/environment/fspubs/99232823/index.htm (online version)