. S. GEOLOGICAL SURVEY PROFESSIONAL PAPER NO. 54 PL. XX 
<D 
O 
ffl 
*+- 
L 
3 
in 
L 
0 
id 
"to 
L 
d 
+j 
ID 
C 
qj t 
> o 
a) ffi 
oO m' 
i\ 
D * 
0. 2 
ID 
c 
’-ao 
’l 
o 
X 
ID 
*+- 
(D 
E 
‘x 
o 
L 
Q_ 
a_ 
< 
rO O 
o <r> 
<n — 
L *1 
ID Xl 
-M Q_ 
2 * < 
* L L 
(0 +* Q) Q) 
— Ifl 4- 
q L ^ ‘O 
O iZ 5 5 
i : i 
& 
WATER LEVEL AT VARIOUS DATES IN THE PRINCIPAL MINES OF CRIPPLE CREEK. 
