UNITED STATES DEPARTMENT OF THE INTERIOR, STEWART L. UDALL, SECRETARY 



Fish and Wildlife Service, Clarence F. Pautzke, Commissioner 



Bureau of Commercial Fisheries, Donald L. McKernan, Director 



AN OCEANOGRAPHIC STUDY OF THE GULF OF TEHUANTEPEC 



by 



Maurice Blackburn 



Research Biologist 

 Scripps Institution of Oceanography 

 University of California 

 La JoUa, California 



United States Fish and Wildlife Service 

 Special Scientific Report- -Fisheries No. 404 



Washington, D. C. 

 February 1962 



