10 



Birch Creek 



1988 



Rl 

 Rl 

 R4 

 R2 



— * 

 — * 



— * 

 Rl 



Rl 

 Rl 

 Rl 



--* 



1989 



1990 



R1-I1-F7 Rl 

 Rl Rl 



R2-I1-F5 



R1-I8-F56 



Rl 



Rl-I7-F3( 



Rl 



R1-I1-F5 



Rl 



Rl 

 R1-I3-F6 



