LIST OF FIGURES 



Figure 1. Year-to-year changes In temperature parameters at Circle 



and Fort Peck recording stations 5 



Figure 2. Year-to-year changes in precipitation parameters at Circle 5 

 and Fort Peck recording stations 



Figure 3. Year-to-year changes in June sample abundance of ring-necked 

 pheasant along five roadside wildlife survey routes. Circle 

 West area 24 



Figure 4. Year-to-year changes in lagomorph densitv indices, 



Circle West study area 24 



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

 Circle West study areas (based on September-October 

 ground and aerial survey data) 27 



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 



Figure 7. Mule deer winter density index isopleths, 1980-81 30 



Figure 8. Mule deer winter density index isopleths, five-year 



average, 1976-81 31 



Figure 9. Year-to-year changes in pronghorn production ratios. 

 Circle West study areas (based on July-October ground 

 and aerial survey data) 34 



Figure 10. Year-to-year changes in pronghorn summer and winter 



density indices for the Circle West study areas (based 

 on the largest aerial censuses obtained for the Mine 

 Study Area during July-October and December-Februarv, 

 respectively) 34 



Figure 11. Pronghorn summer density index isopleths, four-year 



average, 1977-1980 37 



Figure 12. Pronghorn winter density index isopleths, five-year 



average, 1976-1981. . 38 



Figure 13. Percent species composition of all recorded 1980 waterfowl 

 observations. Circle West study area (1977-1980 changes 

 also shown) ^0 



Figure 14. Year-to-year changes in waterfowl production. Circle West 



study areas ^^ 



11 



