Central Hardwood Forest Conference (16th : 2008 : West Lafayette, Ind.)
Newton Square, PA : U. S. Forest Service, Northern Research Station ; Delaware, OH : U.S. Forest Service, Publications Distriubtion, [2008]
2008
National Silviculture Workshop (2003 : Granby, Colo.)
Fort Collins, CO : United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, [2004]
2004