r 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN NO. 67. 



B. T. GALLOWAY. Chiif nmureau. 



RANGE INVESTIGATIONS IN ARIZONA. 



BY 



DAVID (iRIFFITHS, 

 Assistant in Charge of Range Invkstioations. 



GRASS AND FORAGK PLANT INVESTIGATIONS. 



IssrEP October 6, 1904. 



WASHINGTON: 

 government printing office. 



1904. 



