C it-C 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 139, NUMBER 9 



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A LONG-RANGE FORECAST OF 

 UNITED STATES PRECIPITATION 



By 



C. G. ABBOT 



Research Associate, Smithsonian Institution 



(Publication 4390) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MARCH 23, 1960 



