Table 7.— Number of organisms per square foot of bottom in the Brasstown Bald 

 control section, before and after treatment in May, 19S9, at 

 stations 1, 2, and 3 in the experimental stream. 



Table 8. — Number of organisms per square foot of bottom in experimental and 

 control sections of Brasstown Bald, before and seventy-two hours 

 after treatment in May, I960. 



