Lower quadrats: 
“] f # 
af 
N side: Leptotrema now 50% gone; all reast clean 
E side: 10% Leptotrema left — 
S side: 90% clean now 
W side; already clean now 
in BD. 
sy 
Upper quadrats: 
N side: All clean except 10% Chiodecton left 
E side: 80% Chiodecton gone 
S side: Mosses gone now 
q 
W side: 90% white patches gone, rest clean 
