TESTS — VIRGINIA AND WEST VIRGINIA. 
199 
COKING TEST. 
Test 62, Virginia No. 4. 
Size as shipped, over IV inches. Size as used, finely crushed. Raw. Duration of test, 30 hours. 
Coal charged pounds. . 10,000 
Coke produced do 6,272 
Breeze produced do 241 
Coke produced per cent. . 62. 72 
Breeze produced do 2. 41 
Total percentage yield 65. 13 
Remarks. — Light gray and silvery. Fine-fingered coke. Breaks in long, thin pieces. Light-weight 
coke. 
ANALYSES. 
Test 62. 
Coal. 
Coke. 
Moisture 
Volatile matter 
Fixed carl xiii. . 
Ash 
Sulphur 
3.87 
36. 39 
55. GO 
4.14 
.39 
0.16 
1.14 
92 90 
5.80 
.42 
WEST VIRGINIA NO. 1. 
Bituminous coal from No. 2 mine, Elkins Coal Company, Bretz, Preston County, W. Va., 
on the Morgan town and Kingwood Railroad. 
This sample, designated West Virginia No. 4 B in this report, consisted of run-of-mine 
coal. It was loaded under the supervision of Inspector J. W. Groves, and was used in 
making washing test No. 127 and coking tests Nos. 40, 44, and 46. « 
Two mine samples were taken for chemical analysis, as follows: No. 2054 from the 
second left heading off the main entry, 1,300 feet from the drift mouth, and No. 2055 from 
the third right entry off the main entry, 800 feet southeast of the drift mouth. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
laboratory number. 
Air-drying loss 
Moisture 
Volatile matter 
Fixed carbon 
J Ash 
[Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
alorific value determined: 
Calories 
British thermal units. 
2054 
2.40 
3.57 
27.38 
62.84 
6.21 
.85 
7,899 
14,218 
2055 
2.30 
3.47 
28.65 
62.70 
5.18 
22£0 
2.60 
3.91 
26.68 
59.30 
10.11 
1.07 
4.69 
74.73 
1.56 
7.84 
7,428 
13, 370 
a For tests made during 1904 on the same coal 
ind 127. 
Bull. U. S. Geol. Survey No. 261, 1905, pp. 71, 82, 111, 
