INTERNATIONAL 

 DECADE OF 

 OCEAN 

 EXPLORATION 



PROGRESS REPORT VOLUME 4: 

 April 1974 to April 1975 



Prepared by the U.S. Department of Commerce, National Oceanic and Atmos- 

 pheric Administration, Environmental Data Service, under contract to the 

 National Science Foundation, Office for the International Decade of Ocean 

 Exploration. 



October 1975 



