uw 
3 
= 
x 
= 
= 
J 
= 
= 
& 
c 
= 
& 
> 
K 
= 
S 
a 
a 
2 
ws 
a 
w 
= 
kK 
a 
& 
ry) 
3 
a 
> 
~~ 
x 
& 
G 
2 
we 
Cy 
COLUMN SPREADING TOWARDS MASS 
PILLAR SPREADING TOWARDS 
DUNE MIRAGE RISING WHILE FIRST MIRAGE IS DISSOLVING 
Sinaloa eae ——- 
; * ASS alle . 
FIRST AFTERNOON MIRAGE FORMING 
FIRST MIRAGE COMPLETE AND SECOND FORMING 
FIRST MIRAGE DISSOLVING , SECOND COMPLETE 
SKETCH OF MIRAGES ON. EAST*€OAST ~ ENLARGED. 
