1. Project Mgr., Metcalf & Eddy, Inc., Boston, Mass.
2. Ford Prof. and Dir., Ralph M. Parsons Lab. for Water Resources and Hydrodynamics, Massachusetts Inst. of Tech., Cambridge, Mass.
3. Sr. Project Engr., Woodward-Clyde Consultants, Anchorage, Alaska; formerly Prof., Inst. of Marine Science, Univ. of Alaska, Fairbanks, Alaska