TESTS WEST VIRGINIA. 
201 
WEST VIRGINIA NO. 13. 
Bituminous coal from Page No. 2 mine, Loup Creek Colliery Company, Page, Fayette 
County, W. Va., on the Deep Water Railway and the Chesapeake and Ohio Railway. 
This sample, which consisted of run-of-mine coal, was loaded under the supervision of 
E. W. Parker, of the United States Geological Survey. It was used in making coking 
test No. 21, steaming tests Nos. 179 and 180, and producer-gas test No. 56. It was also 
used, mixed with West Virginia No. 14, in making coking test No. 23. 
Mine samples Nos. 1867 and 1868 were taken from the two distinct benches in the mine. 
CHEMICAL ANALYSES. 
Mine samples. 
Car 
sample. 
La 
Ai 
boratory number 
a 1867 
4.50 
5.48 
29.70 
62.53 
2.29 
.79 
b 18(58 
1.90 
2. 93 
31.95 
GO. 17 
4.95 
1.22 
2028 
2. 00 
03 
3 74 
<-> 
31 04 
61. 31 
o 
J Ash 
3.91 
.89 
6 
5.31 
Carbon 
80. 50 
Nitrogen 
1.32 

8.07 
Ca 
lorific value determined: 
8, 030 
14,454 
8,020 
14, 430 
British thermal units 
a Lower bench. 
b Upper bench. 
STEAMING TESTS. 
Test 1~V, West Virginia No. 13. 
Size as shipped, run of mine. Size as used, over 
1 inch, 15.4 percent; h inch to 1 inch, 19.7 percent; 
\ inch to \ inch, 22.4 per cent; under \ inch, 42.5 
per cent. Duration of test, 10 hours. Kind of 
grate, plain. 
Test 180, West Virginia No. 13. 
Size as shipped, run of mine. Size as used, over 
1 inch, 12.7 per cent; \ inch to 1 inch, 13.3 per cent; 
\ inch to \ inch, 19.6 "per cent; under \ inch, 54.4 
per cent. Duration of test, 9.95 hours. Kind of 
grate, plain. 
M I S< ' B LI -A N E< >US I TEM S . 
Test 179. 
Test 180. 
Heating value of coal B. T. U. per pound dry coal 
Force of draft: 
Under stack damper inch water 
Above fire do. . 
Furnace temperature °F 
Dry coal used per square foot of grate surface per hour pounds 
Equivalent water evaporated per square foot of water-heating surface pe 
hour pounds 
Percentage of rated horsepower of boiler developed 
Water apparently evaporated per pound of coal as fired pounds 
Water evaporated from and at 212° F.: 
Per pound of coal as fired do . . 
Per pound of dry coal do . . 
Per pound of combustible do . . 
Efficiency of boiler, including grate per cent 
14,999 
14,933 
0.37 
0.37 
.08 
.10 
2,428 
2, 312 
16. 47 
15.19 
3.45 
3.22 
9G.8 
90.1 
8.71 
8.69 
10.12 
10.11 
10.50 
10.59 
11.11 
11.29 
67.60 
68.48 
