Unclassified 



Security Classifi. 



Ocean floor investigation 



Foundation engineering 



Shear strength 



Consolidation characteristics 



Sediment thickness 



Bottom topography 



Subbottom structure 



Sediment type 



Seismicity 



Sediment transport 



Currents and tides 



Temperatures 



Ocean water chemistry 



Marine biology 



Marine surface phenomena 



Measuring instruments 



Mapping 



Sampling 



DD ,? R "..1473 < ba ck) 



(PAGE 2) 



Unclassified 



Security Classificatii 



