8. ACKNOWLEDGMENTS 



This report represents a summary of research performed and 

 reported by a number of people whose contributions are gratefully 

 acknowledged. They are: Mr. H. J. Lee of CEL, site survey; Mr. 

 D. G. True of CEL, penetration; Mr. H. G. Herrmann of the Naval 

 Facilities Engineering Command, dynamic holding capacity; and Mr. 

 B. J. Douglas of Fugro, Inc., holding capacity under impulse loads. 



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