Affiliation: | 1. Wild Nature Institute, P.O. Box 165 Hanover, NH, 03755 USA;2. U.S.D.A. Forest Service, San Bernardino National Forest, 602 S. Tippecanoe Ave., San Bernardino, CA, 92408 USA;3. Tanner Environmental Services, P.O. Box 6132 Ventura, CA, 93001 USA |