ABSTRACT 



This report presents the results of three oceanographic cruises to the temperate central 

 North Pacific by the research vessels Charles H. Gilbert and Hugh M. Smith of the Pacific Oceanic 

 Fishery Investigations, U. S. Fish and Wildlife Service. The cruises were confined to the area 

 bounded roughly by 157°30'W. and 170°E. longitude and 20°N. and 49°30'N. latitude. The report 

 includes the observed and interpolated data for the first two cruises and the plots of the various 

 field, such as salinity and dissolved oxygen, for all three cruises. 



