United States 

 Department 

 of Agriculture 



Agricultural 



Research 



Service 



Conservation 

 Research 

 Report No. 45 



December 2001 



Eighty Years of Vegetation 

 and Landscape Changes in 

 the Northern Great Plains 



A Photographic Record 



K.D. Klement, R.K. Heitschmidt, and C. E. Kay 



Klement is a rangeland scientist and Heitschmidt is 

 a supervisory rangeland scientist, USDA Agricultural 

 Research Service, Fort Keogh Livestock and Range 

 Research Laboratory, Miles City, Montana. Kay is an 

 adjunct assistant professor, Department of Political 

 Science, Utah State University, Logan. 



