Biological Survey — Erie-Niagara Watershed 



119 



25 

 o 



Dissolved 

 50 



Oxygen - Per 

 75 



Cent of Saturation 



100 125 



Arcade 



Elton Creek 



Spring Brook 



South Branch Cattaraugus^ ^ 

 Gowanda 



Irving 



o 

 o 



X 



K 

 O 



Kl 



3 



O 



» 



o 



o 



> 



H 



Erie 



