The author would like to thank the following people who supplied illustrations or reviewed this report and provided thoughtful suggestions:

• Anna Jones-Crabtree, Bighorn National Forest
• Gary Gibbons, Intermountain Region
• Mike Godfrey, Willamette National Forest, Pacifi c Northwest Region
• Cherie Peacock, Spokane, WA
• Juan Vissepo, International Institute of Tropical Forestry