martin.] COAL TN CONTROLLER BAY REGION. 
Analyses of other coals for comparison. 
83 
Locality. 
Pennsylvania, anthracite 
(average of 9) " 
Wales, anthracite (aver- 
age of 4) b 
Loyalsock, semianthra- 
cite (average of 4) <-' 
Pocahontas, semibitumi- 
nous ( average of 38) d_ . . 
Georges Creek, semibitu- 
minous( average of 12) e. 
Georges Creek, semibitu- 
minous (No. 9023) e 
Georges Creek, semibitu- 
minous (No. 9011) e 
3. 389 
Georges Creek, semibitu- 
minous (No. 9004) e 
Georges Creek, semibitu- 
minous (No. 9002) e 
Pocahontas ( Q u i n n e - 
mont), semibituminous 
(average of 17) / — 
New South Wales (south- 
ern coal fields), bitumi- 
nous (average of 21) Q. . . 
Wales, bituminous ( aver- 
ageof 37)'* 
Comox, bituminous (av- 
erage of 4) i 
Naniamo, bituminous 
(average of 4) '".. 
New South Wales (west- 
ern coal field), bitumi- 
nous (average of 13) 3... 
New South Wales (north- 
ern coal field), bitumi- 
nous (average of 77) J... 
1.488 
.73 
.09 
.65 
.72 
.67 
.69 
.60 
.97 
1.30 
2.19 
1.87 
1.92 
a 
eg 
o 
> 
| 
s 
< 
3.812 
83.790 
8.417 
5.94 
91.42 
2.62 
11.074 
78. 883 
7.695 
17.43 
77.71 
4.63 
18.95 
74.11 
6.08 
17.89 
74.28 
6.18 
18.61 
75.06 
5.61 
18.19 
72.41 
8.73 
20.16 
71.59 
7.56 
19.93 
75.20 
4.27 
23.10 
65.26 
10.67 
27.00 
68.09 
3.22 
28.63 
62. 73 
6.96 
30.76 
56. 52 
10. 53 
31.49 
52.61 
14.03 
35.09 
54.08 
8.91 
a3 
.8 
"u 
o 
3 
u 
rs 
A 
ft 
Xtl 
0.592 
.861 
.62 
8,403 
15,178 
.67 
7,984 

.60 


.71 
8,144 
.66 
7,708 
.55 
7,983 
.67 
8,415 
15,202 
.462 
1.43 
8,402 
.626 
.541 
Recalculated. 
Fuel 
elements. 
tsJS 
r-H aJ 
u 
OS 
O • 
4.35 
95. 65 
6.11 
93.89 
12.31 
87.69 
18.32 
81.68 
20. 36 
79.64 
19.41 
80.59 
19.87 
80.10 
20.08 
79.92 
21.97 
78.03 
20.95 
79.05 
26.14 
73.86 
28.39 
71.61 
31.35 
68.65 
35.24 
64. 76 
37.44 
62.56 
38.23 
61.77 
21.99 
15.80 
7.12 
4.46 
3.91 
4.15 
4.03 
3.98 
3.56 
3.77 
2.83 
2.52 
2.19 
1.84 
1.67 
1.62 
a Ash burner, C. A., Ann. Rept. Geol. Survey Pennsylvania, 1885, p. 313. 
*>Loze, Ed., Les Charbons Britanniques et leur Epuisement, vol. 1, p. 386. 
cAshburner, C. A., Ann. Rept. Geol. Survey Pennsylvania, 1885, p. 318. 
d White, I. G, Geol. Survey West Virginia, vol. 2, pp. 695, 696, 700. 
« These are furnished by Dr. W. B. Clark, State geologist of Maryland, and will be published 
in a forthcoming report of the Maryland Geological Survey on the coal of that state. 
/White, I. C, Geol. Survey West Virginia, vol. 2, p. 670. 
{/Pittman, E. F., Mineral Resources of New South Wales, 1901, pp. 324-348. 
h Poole, H., The Calorific Power of Fuels, 1898, p. 223. 
i Dawson, G. M., Mineral Wealth of British Columbia: Geol. Nat. Hist. Survey Canada, new 
ser., vol. 3, pt. 2, p. 98 R. 
i Pittman, E. F.., Mineral Resources of New South Wales, 1901, pp. 324-348. 
The seams now exposed in the valley of Shepherd Creek are the 
most promising coals seen by the writer. They not only possess the 
greatest thickness and are largely free from bands of shale and 
other impurities, but, as the above table shows, are the purest coals 
and have the highest heating power. Its composition shows it to be 
