12 BULLETIN 1226, IT. S. DEPARTMENT OF AGRICULTURE. 
Table 7. — Potash in foreign iron ores. 
Source. 
Annual Qomn ,„ 
importa- ; ^P 1 ^ 
tion. 'analyzed. 
Potash 
(KjO). 
Gross tons. 
101,000 
155, 000 
3 
2 
Per cent. 
0.14 
.15 
Table 8. — Average potash content in ores from various sources. 
Source of ore. 
Potash 
(K s O), 
weighted 
average. 
Mesabi Range 
Gogebic Range 
Menominee Range 
Marquette Range 
Cuyuna Range 
Vermilion Range 
Alabama 
New York 
Pennsylvania 
Wyoming 
New Jersey 
Virginia 
New Mexico 
Georgia 
Miscellaneous domestic 
Domestic manganese 
Foreign manganese 
Foreign nonmanganiferous 
"Weighted average for all ores 
Table 9. — Potash in fuels. 
Potash 
Potash 
Source. 
Kind. 
Ash. 
(K 2 0) 
in the 
Source. "Kind. 
Ash. 
(K 2 0) 
in the 
fuel. 
fuel. 
Per ct. 
Per ct. 
Per ct. 
Perct. 
Penn-vlvania 
B. H. Coke 
12.01 
0.14 
Pennsvlvania.. 
B.H.Coke 
9.48 
0.13 
Do 
....do 
9.69 
.13 
Do 
l....do 
9.99 
.16 
Do 
....do 
11.13 
.10 
Do 
....do 
10.85 
.17 
Do 
....do 
12.13 
.16 
Do 
....do 
11.78 
.22 
Do 
....do 
.12 
.15 
Do 
....do 
12.67 
.20 
Do 
....do 
ie. 03 
Do 
....do 
.17 
Do 
....do 
13.19 
11.48 
.17 
.14 
Do 
....do 
.26 
Do 
....do 
Do 
....do 
.15 
Do 
....do 
9.85 
.16 
Do 
....do 
.18 
Do 
....do 
10.25 
9.74 
.16 
.15 
Do 
....do 
.21 
Do 
....do 
Do 
....do 
.17 
Do 
....do 
10.00 
.15 
Do 
....do 
12.31 
.15 
Do 
....do 
10.62 
.17 
Do 
....do 
13.05 
.17 
Do 
....do 
10.00 
.15 
West Virginia.. 
l....do 
8.12 
.24 
Do 
....do 
11.25 
.18 
Do 
....do 
11.00 
.12 
Do 
....do 
12.21 
.21 
Do 
....do 
13.15 
.25 
Do 
....do 
10.36 
.17 
Do 
....do 
10.85 
.19 
Do 
....do 
10.69 
.17 
Do 
....do 
10. 52 
.18 
Do 
....do 
9.68 
.15 
Do 
....do 
12.19 
.20 
Do 
....do 
9.81 
.16 
Do 
....do 
6.67 
.06 
Do 
....do 
10.96 
.16 
Do 
....do 
7.S9 
.06 
Do 
--..do 
9.83 
.18 
Do 
....do 
.17 
Do 
....do 
10.27 
.15 
Alabama 
-.-.do 
.27 
Do 
do 
11.05 
.16 
Do 
L..do 
.16 
Do 
....do 
10.19 
.15 
Do 
....do 
.34 
Do 
....do 
10.65 
.16 
Colorado 
|....do 
.09 
Do 
do 
10.70 
.15 
Do 
|....do 
.05 
Do 
....do 
12.56 
.19 
Do 
....do 
.04 
Do 
....do 
10.75 
.16 
Do 
....do 
.09 
