U. S. DEPARTMKNT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN NO. 67. 



B. T. GALLOWAY. < hit/ o/ Bureau. 



RANGE INVESTIGATION'S IN ARIZONA, 



BY 



DAVID (iRIFFITHS, 



Assistant in Charge of Raxge IxvESTKiATioNS. 



LIBRARY 

 NEW YORK 



BOT 



(i 



GRASS AND FORAGE PLANT INVESTIGATIONS. 



M. 



I&srKi) October 6, 1904. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1904. 



