1. Department of Forest Science, Oregon State University and Pacific Northwest Tree Improvement Research Cooperative, 321 Richardson Hall, Corvallis, OR 97330-5752, USA.
2. Stand Management Cooperative, College of Forest Resources, University of Washington, P.O. Box 352100, Seattle, WA 98195, USA.
3. Olympic Resource Management, Port Gamble Office, 4 Rainier Avenue, P.O. Box 7, Port Gamble, WA 98364, USA.