U. S. DEPARTMENT OF COMMERCE 



SINCLAIR WEEKS, Secretary 

 COAST AND GEODETIC SURVEY 



H. ARNOLD KARO, Director 



C&GS PUBLICATION 31-2 



FIFTH EDITION 

 (WITH DATA THROUGH 1956) 



DENSITY OF SEA WATER 



AT TIDE STATIONS 



ATLANTIC COAST 



NORTH AND SOUTH AMERICA 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1957 



-or .ale by the Superintendent of Documents, U. S. Government Printing Office. Washington 25, D. C. 



Price 45 cents 



