1. University of New Mexico, Department of Economics, Albuquerque, NM 87131
2. EQE International, Inc., 1411 4th Avenue, Suite 500, Seattle, WA 98101
3. Department of Economics, Colorado State University, Ft. Collins, CO 80523
4. Robert Olson Associates, Inc., 4164 Los Coches Way, Sacramento, CA 95864
5. Department of Energy, Environmental, and Mineral Economics, Penn State University, 221 Eric A. Walker Building, University Park, PA 16802
6. Department of Forest Services, Colorado State University, Ft. Collins, CO 80523