UNCLASSIFIED 



SECURITY CLASSIFICATION OF THIS PAGE(TWl«o Dmtm Bnfnd) 



continuous cores in water depths to -60 feet (-18 meters) , and is now widely 

 used in oceanographic work. The CERC experience consists of more than 1,600 

 cores collected in 15 surveys along the Atlantic, gulf, and Pacific coasts, as 

 well as Lakes Michigan and Erie. This experience in obtaining, handling, and 

 sampling cores for sedimentological analysis is presented to aid others in con- 

 ducting geologic and engineering studies using the vibracore. 



UNCLASSIFIED 



'security classification of this PAGErWTien Data Entered) 



