Affiliation: | (1) Acid Deposition Department, Lockheed Engineering and Management Services Company, 1050 E. Flamingo, Ste. 209, 89109 Las Vegas, NV, USA;(2) Present address: Hancock Biological Station, Murray State University, 42071 Murray, KY, USA;(3) Present address: International Science & Technology, Inc., 11260 Roger Bacon Drive, 201 Reston, VA 22090, USA;(4) Present address: Advanced Monitoring Systems Research Division, Environmental Monitoring Systems Laboratory, US Environmental Protection Agency, 89114 Las Vegas, NV, USA |