| R. A. Walters | R. F. Henry | A. G. Dolling |
|
U.S. Geological Survey 1201 Pacific Avenue Tacoma, Washington 98402 |
National Tidal Facility Flinders University of South Australia GPO Box 2100, Adelaide 5001, S. Australia |
Channel Consulting Ltd. 1331 Vimy Place Victoria BC Canada V8S 1C5 |