AUG 21 



■5~0, 130 



RODENT PESTS OF T^|^|jb:;fRM 



DAVID E. LANT^^' f'f^'^'f'^'' 



Assistant Biologist 



MMmmm 



Columbia Ground Squirrel 



FARMERS' BULLETIN 932 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



Contribution from the Bureau of Biological Survey 

 E. W. NELSON, Chief 



Washington, D. C. 



Issued July, 1918 | 



Show this bulletin to a neighbor. Additional copies may be obtained free from the 

 Division of Publications, United States Department of Agriculture 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1918 



