UNITED STATES 

 DEPARTMENT OF COMMERCE 



NATIONAL OCEANIC & ATMOSPHERIC ADMINISTRATION 



NATIONAL MARINE FISHERIES SERVICE 



SCIENTIFIC PUBLICATIONS STAFF 



BLDG. 67, NAVAl SUPPORT ACTIVITY 



SEATTLE, WASHINGTON 98115 



OFFICIAL BUSINESS 



POSTAGE AND FEES PAID 



U.S. DEPARTMENT OF COMMERCE 



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