Altar P 
Completely clean, Traces of yellow on E and §S sides 
Stela H 
Lower quadrats: 
N, W, E sides: clean except for white shadows on N side. 
S side: white crust still evident |. 
Upper quadrats: 
N side; White crust flaking; Dirinaria gone now 
E side: Remnant bases of Phyllopsora left; white crust 60% gone, 
flaking; alga more or less gone; yellow coloration highly 
visible, 
W side; Chiodecton and Dirinaria more or less gone; reddish coloration, 
S sides: some white shadows left, 
