PLEASE HELP US PUT THE ZIP IN YOUR 

 MAIL! ADD YOUR FOUR NEW ZIP DIGITS 

 TO YOUR LABEL (OR FACSIMILE), 

 STAPLE INSIDE THIS SELF-MAILER, AND 

 RETURN TO US. 



(fold here) 



DEPARTMENT OF THE NAVY 



NAVAL CIVIL ENGINEERING LABORATORY 

 PORT HUENEME, CALIFORNIA 93043-5003 



POSTAGE AND FEES PAID 



DEPARTMENT OF THE NAVY 



DOD-310 



OFFICIAL BUSINESS 



PENALTY FOR PRIVATE USE. »300 



1 IND-NCEL 2700/4 (REV. 12-73) 



O* 30-LL-L7O-O044 



Commanding Officer 



Code L14 



Naval Civil Engineering Laboratory 



Port Hueneme, California 93043-5003 



