2000-1 



Figure 13. 



1977 



1978 



1979 



1980 



2 1500-1 



MAY 



JUNE 



JULY 



Percent species composition of all recorded 1980 waterfowl 

 observations. Circle West study area (1977-1980 changes also 

 shown) . 



Proposed Mining Areo 



I Pernnit Area 



k Mine Study Area 



5-1 



1977 



1978 



1979 



1980 



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

 study areas. 



-40- 



