3 . 



fwtn 



U.S. pEPAftTMfiNT OF AGRICULTURE, 



FOREST SERVICE BULLETIN 80. 



HENRY S. GRAVES, Forester., , 



THE COMMERCIAL HICKORIES. 



BY 



ANTON T. BOTSEN, FOREST ASSISTANT, 



J. A. NEW LIN, ENGINEER IN TIMBER TESTS. 



uu 

 OCT 





Uiiiverbity of Calif* 



WASH I N(r TON : 



GOVERNMENT I'UINTING OFFICE 



1910. 



