1. United States Forest Service, Boise National Forest, P.O. Box 129, Idaho City, ID 83631 (CJC)
2. Department of Animal and Range Sciences, New Mexico State University, P.O. Box 30003, MSC 3I, Las Cruces, NM 88003 (AGF)
3. Department of Economics and International Business, Agricultural Experiment Station Statistician, New Mexico State University, P.O. Box 30001 MSC 3CQ, Las Cruces, NM 88003 (DMV)
4. Sustainable Agriculture Science Center, New Mexico State University, P.O. Box 159, Alcalde, NM 87511 (SJG, RFH)
5. School of Forest Resources and Conservation, University of Florida, P.O. Box 110410, Gainesville, FL 32611-0410 (TTB)