UNCLASSIFIED 



SECURITY CLASSIFICATION OF THIS PAGEOWnn Dmf Bnlend) 



Leeve , 



the coring pipe (the clamp moves up and down the coring pipe like a "si , 



eliminating having to completely remove the unit) and (b) a stable tripod with 

 four separate, portable components. During extraction, the core is stabilized 

 in a vertical position by a spring-loaded metal gate, using a core pipe slot cut 

 xnto the tripod headplate, until extraction is completed. 



UNCLASSIFIED 



SECURITY CLASSIFICATION OF THIS PUGEfWhe 



