page 



Grab and Dredge Samplers 42 



Biological and Water Samplers 43 



Underwater Cameras and Lights 43 



Oceanographic Research Vessels 43 



Submersibles 44 



DATA PROCESSING AND ANALYSIS 44 



PRESENTATION OF RESULTS 47 



CONCLUSIONS 47 



RECOMMENDED AREAS OF RESEARCH 48 



APPENDIXES 



A — Possible Sources of Site Survey Information 49 



B — Site Survey Instruments 61 



C — Oceanographic Research Vessels 71 



D — Computer Program for Temperature and 



Depth Calculations 89 



REFERENCES 92 



