DEPARTMENT OF COMMERCE 



U. S. COAST AND GEODETIC SURVEY 



E. LESTER JONES, DIRECTOR 



TIDES AND CURRENTS 



IN 



BOSTON HARBOR 



BY 

 PAUL SCHUREMAN 



Mathematician, U. S. Coast and Geodetic Survey 



Special Publication No. 142 



PRICE 30 CENTS 



Soldonly by the Superintendent of Documents, U. S. Government Printing Office 

 Washinston, D. C. 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON 



1928 



