Institution: | U.S. Geological Survey, 430 National Center, Reston, VA 20192;(703) 648-5876;fax (703) 648-5484;;South Florida Water Management District, 3301 Gun Club Rd., West Palm Beach, FL 33578;Formerly with the U.S. Geological Survey, 430 National Center, Reston, VA 20192;now at the University of South Florida, St. Petersburg, Florida |