1. Hydraulic Engineer, Free Flow Power Corp., 239 Causeway St., Suite 300, Boston, MA 02114; formerly Graduate Student, Dept. of Civil and Architectural Engineering, Univ. of Wyoming, Laramie, WY 82071.
2. Professor and Dean, College of Engineering and Applied Science, Univ. of Wyoming, Dept. 3295, 1000 E. University Ave., Laramie, WY 82071 (corresponding author).