2000 



M??«nTTTnTW MMiiiiiii[i[iiiirTliiiiM 



1977 



1978 



1979 



1980 



1981 



a 



ui 



JULY 



Figure 7. Percent species composition of all recorded 1981 waterfowl 

 observations, Circle West study area (1977-1981 changes 

 also shown). 



Proposed Mining Area 



■ Permit Areo 



^^•••••. Mine Study Area 



Proposed Mining Area 

 Permit Area 

 Mine Study Area 



2.0- 



1.5- 



< 



°- 1.0- 



05- 



0.0- 



1977 



1978 



1979 



1980 



— 1 

 1981 



Figure 8. Year-to-year changes in waterfowl production, Circle West 

 study areas. 



-38- 



