376         CONTRIBUTIONS   TO    ECONOMIC   GEOLOGY,  1906,  PART    I. 
■e 
o 
,B 
B 
< 
as 
—  - 
z 
-  e 
Is 
som,  New  Albany,  End. 
or:    report    of   State 
if. 
"Sb 
o 
2 
U 
a1 
o 
03 
0     . 
1 
.     "c 
<«      c 
c      W 
1      c 
ore  of  quarry. 
'nth.  Pittsburg,  Pa. 
McNamee.      Anderson. 
P 
i 
> 
p 
o 
& 
a; 
E 
E 
w 
shwab,  Chicago,  111. 
,'uth,  Pittsburg,  I 'a. 
irg    Testing     Labora- 
Pittsburg,  Pa. 
iilE 
« 
a  1 
^ 
i- 
o 
ti 
O 
- 
oo    -:    ^ 
Uh 
OPh 
^ 
t- 
c 
t^ 
2 
- 
*-* 
© 
i 
c 
OS 
_  <• 
2 
5 
Ooo      O      cr 
g 
1^  8 
o 
g 
5 
§ 
1 
88 
? 
: 
OCB         O         O" 
1 
ssi   8 
-"" 
,H 
"H         ^ 
1-1 
S* 
: 
b" 
O 
s 
_o 
~'_ 
M 
r 
"S 
© 
;       io 
c^ 
i 
.r 
5. 
a 
; 
1  - 
j 
:    ° 
C 
6j) 
— 
— 
- 
-^ 
?l 
» 
e 
d     w 
x 
: 
— 
a 
c 
w 
p 
0      .  O 
£ 
- 
:  - 
;  m 
+ 
0 
f 
•v 
: 
: 
- 
S^n 
" 
fe 
_ 
oS 
It 
|      O 
c 
J     = 
C 
a 
5 
as 
s 
S  -      j 
3 
£*      H 
c 
-  _ 
N 
= 
CN 
CO 
t> 
—        CN 
c 
5e    2 
•  C 
d 
y. 
-     '      - 
r 
8 
3 
1- 
s 
Si    8    2 
E- 
2 
8S    - 
—  -  '— 
d 
a 
i- 
c 
ri 
.   -  _ 
r. 
g 
-i 
01 
X 
i" 
i^' 
-  ■-      io 
5  i  -       ro 
<ni 
d 
ri 
•~ 
-i 
\ 
; 
X 
N 
~r 
-r 
i  -  C 
.": 
S 
8  «c       E       — 
i 
S8    2 
? 
0 
' 
3 
i 
-     -■        &       C 
5 
;  -    s 
_• 
'/ 
|  = 
_ 
aS    * 
E 
/ 
o    • 
- 
— ' 
-  u-r      -O 
03 
>-  u  -      - 
j 
Q 
"E-r 
-  c      d 
*•  +»  2  B  ■ 
/    /    .-  c  .- 
— 
c 
-r 
■?  E 
c  i      • 
.JS.S^S  - 
/ 
u 
7. 
DC  0 
~  :      : 
U-i.       03 
(-^ 
2 
— 
: 
: 
a 
r 
a 
w 
DC 
'J 
i 
:  A     ®     .S 
B      j= 
■  O       o      J= 
bS  s    e 
p 
r 
~- 
o 
a 
o 
02 
E 
/ 
— 
: 
a|  ^«l 
i 
§ 
- 
T 
-c 
.  ~       -  c 
a 
T3 
Z 
=o  B 
-  — 
5 
i 
c 
c 
b 
c 
c 
- 
— 
c 
3   " 
33 
3vC 
^o 
- 
c 
4- 
a 
c 
c 
- 
a 
.  c 
:  r 
u  c  —  —  rr  — 
W2       OD       pc 
5 
3 
2*3 
2  B 
^ 
- 
w 
r- 
^ 
P-^ 
^ 
E 
o 
o 
c 
< 
'      : 
3    •- 
c    ^ 
*    > 
c 
4- 
c 
: 
b 
c 
c 
1 
5 
B 
s 
o 
Eh 
Pi 
1    | 
— 
z 
,z 
r 
j 
— 
0 
J 
1 
p 
0 
3 
»     — 
c 
^ 
s 
a: 
C 
Js 
c 
V 
