NAVAL OCEAN SYSTEMS CENTER. SAN DIEGO. CA 92152 



AN ACTIVITY OF THE 

 RR GAVAZZI, CAPT USN 



Commander 



NAVAL MATERIAL COMMAND 



HL BLOOD 



Technical Director 



ADMINISTRATIVE INFORMATION 



The work reported herein was performed from March through October 

 1978 by the staff of the Ocean Technology Department. The work was 

 sponsored by the Director of Naval Laboratories as part of the Independent 

 Research and Independent Exploratory Development (IR/IED) Program, Task 

 Area ZF6 1 5 1 200 1 . The author expresses his appreciation for assistance in 

 performance of the field tests to the National Park Service, Crater Lake 

 National Park, Oregon. 



Released by 



HR Talkington, Head 



Ocean Technology Department 



