MINE STUDY AREA 



150-1 



5 100 



o 



o 

 o 



I/) 



z 

 S 

 <s 



50- 



■ HUNTING DISTRICT 650 



1977 1978 1979 1980 



Figure 5. Year-to-year changes in mule deer production ratios. Circle West 

 study areas (based on September-October ground and aerial survey 

 data) . 



100 -I 



90 



w 30 



UJ 



o 



20 



S 10- 



» MINE STUDY AREA 



(INCL. PERMIT AREA) 



I PERMIT AREA 



1 r 



1976 



1977 



1978 



1979 



1980 



Figure 6. Year-to-year changes in the mule deer winter density index for 

 the Circle West study areas (based on the month of the largest 

 census obtained for the mine study area during the winter season) 



-27- 



