ACKNOWLEDGMENTSWe thank Gary Piper (Washington State University), Eric Coombs (Oregon Department of Agriculture), Douglas Landis (Michigan State University), and Robert Wiedenmann (University of Illinois/Illinois Natural History Survey) for their contributions to this manual. Thanks also to Mark Riffe of INTECS/Forest Health Technology Enterprise Team, USDA Forest Service, Fort Collins, CO, for editing, layout, and graphics. We also thank J. Johnson and M. Moses for reviewing this manual; and Richard Reardon of the Forest Health Technology Enterprise Team, USDA Forest Service, Morgantown, West Virginia, for providing the funds needed to prepare and publish this manual. |
