WASHING TESTS. 
13 
Details of washing tests of bituminous coals in 1905 — Continued. 
+3 
s 
mo' 
Chemical analyses (per cent) . 
Reduction 
(percent). 
Actus 
move 
cer 
lly re- 
Raw coal. 
Washed coal. 
el (per 
Lt). 
Mois- 
ture. 
Vola- 
tile 
matter. 
Fixed 
carbon. 
Ash. 
Sul- 
phur. 
Mois- 
ture. 
Ash. 
Sul- 
phur. 
Ash. 
Sul- 
phur. 
Ash. 
Sul- 
phur. 
101 
14. 43 
29.48 
42.81 
13.28 
4.01 
15.23 
8.64 
3.30 
35 
18 
40 
24 
104 
10. 69 
33.08 
36.14 
20.09 
4.06 
16.64 
8.59 
3.25 
57 
20 
70 
43 
108 
10.83 
36.24 
39.75 
13.18 
4.53 
12.45 
9.30 
3.65 
29 
19 
41 
32 
102 
13.54 
35.69 
40.03 
10.74 
4.03 
15.65 
7.57 
3.38 
30 
16 
45 
34 
103 
9.50 
31.98 
47.08 
11.44 
1.45 
11.86 
6.67 
1.3S 
42 
5 
48 
17 
106 
8.20 
32.26 
46.59 
12.95 
3.48 
13.30 
8.91 
2.48 
31 
29 
39 
37 
107 
8.31 
31.65 
49.56 
10.48 
1.55 
11.15 
7.49 
1.27 
29 
18 
34 
25 
105 
12.77 
34.68 
40.77 
11.78 
4.16 
16.32 
9.37 
3.29 
20 
21 
29 
29 
110 
9.95 
34.76 
42.06 
13.23 
3.87 
11.81 
8.41 
3.00 
36 
23 
54 
44 
111 
8.43 
30.08 
51.89 
9.60 
1.14 
10.14 
8.06 
1.02 
16 
11 
25 
20 
109 
12.39 
36. 89 
41.80 
8.92 
3.92 
14.99 
5.77 
2.98 
35 
24 
48 
39 
115 
13.18 
31.92 
39.27 
15.63 
4.79 
15.02 
8.61 
3.25 
45 
32 
60 
51 
112 
13.99 
29.40 
42.29 
14.32 
2.31 
16. 49 
7.25 
1.94 
49 
16 
62 
37 
113 
10.80 
36.09 
40.49 
12.62 
4.39 
11. 65 
9.83 
3.49 
22 
21 
38 
36 
114 
8.90 
38.52 
43.37 
9.21 
3.74 
10.16 
7.89 
3.24 
14 
13 
25 
25 
118 
9.55 
36.19 
43.65 
10.61 
3.72 
11.76 
9.52 
3.18 
10 
15 
16 
20 
117 
13.53 
34.80 
40.91 
10.76 
3.15 
14.55 
8.14 
2.56 
24 
19 
35 
30 
116 
10.72 
39. 29 
41.42 
8.57 
3.83 
10.67 
6.15 
3.34 
28 
13 
39 
26 
130 
2.33 
16.11 
68.43 
13.13 
1.49 
3.67 
10.61 
1.09 
19 
27 
34 
47 
119 
7.71 
38.32 
42.02 
11.95 
4.61 
9.25 
8.57 
3.72 
28 
19 
37 
29 
121 
'9.01 
35.85 
43.80 
11.34 
4.02 
10.77 
7.42 
2.95 
35 
27 
48 
42 
122 
9.90 
33. 66 
44.86 
11.58 
1.81 
9.96 
7.74 
1.36 
33 
25 
51 
44 
125 
3.53 
37.45 
49.90 
9.12 
3.47 
3.33 
7.48 
3.27 
17 
6 
27 
15 
133 
5.31 
36.72 
49.45 
8.52 
3.33 
6.16 
6.38 
2.94 
25 
12 
36 
25 
138 
6.65 
33.94 
48.86 
10. 55' 
3.13 
7.47 
6.37 
2.16 
40 
31 
47 
39 
137 
7.55 
38.00 
46.08 
8.37 
2.84 
11.77 
6.03 
2.07 
28 
27 
35 
3.', 
131 
8.10 
36. 87 
43.10 
11.93 
3.35 
9.49 
7.45 
2.88 
38 
14 
49 
31 
120 
2.46 
34.48 
57.01 
6.05 
.88 
4.91 
4.57 
.90 
24 
29 
3 
124 
3.24 
31.78 
52. 46 
12.52 
1.94 
4.31 
7.26 
1.47 
42 
24 
50 
35 
123 
4.09 
20.62 
62.82 
12.47 
2.08 
5.67 
10.08 
1.55 
19 
25 
31 
37 
126 
3.09 
17.29 
68.29 
11.33 
2.04 
4.58 
8.75 
1.24 
22 
39 
30 
51 
134 
3.35 
35.13 
55.94 
5.58 
.92 
6.39 
3.95 
.88 
29 
4 
38 
16 
127 
3.91 
26. 68 
59.30 
10.11 
1.07 
4.47 
7.76 
.81 
23 
24 
39 
31 
128 
5.57 
31. 61 
54.45 
8.37 
1.20 
5.41 
5.91 
.92 
29 
23 
39 
33 
132 
3.46 
27.29 
61.13 
8.12 
1.45 
5.33 
5.50 
1.14 
32 
21 
43 
34 
135 
2.82 
32.20 
56.95 
8.03 
1.38 
5.70 
4.64 
1.07 
42 
22 
50 
33 
136 
3. 57 
36.38 
55. 20 
4.85 
1.32 
6.35 
3.47 
1.00 
28 
24 
34 
30 
129 
15.12 
34.36 
33. 82 
16.70 
6.66 
19.16 
. 6. 52 
4.16 
61 
38 
67 
47 
Details of washing tests, January 1, 1906, to June 30, 1907. 
m 
Win 
Field No. of 
fuel, a 
I >esignation 
of bed. 
Date of test. 
Jig used.& 
Size of fuel. 
(Seep. 4.) 
'— SO 
be® 
> 
Amount 
washed 
fuel. 
2* 
m 
m ft 
"6 
w 
05 
o> o 
163 
Alabama : 
2B 
May 26,1906 
May 23, 1906 
Stewart. . 
dn 
r. o. in. 
r. o. in. 
r. o. in. 
thr. 2". 
tlir. •_•". 
thr. 2". 
7.93 
9.00 
8.50 
6.85 
8.25 
7. 23 
86 
161 
3 
Underwood or 
Thompson. 
Youngblood . . . 
Black Creek. . . 
Pratt 
92 
159 
4 
May 21,1906 dn. 
85 
195 
5c 
Jan. 15,1907 
Jan. 12,1907 
Nov. 13,1906 
Dec. 24,1906 
Dec. 30,1905 
Jan. 15,1906 
Jan. 29,1906 
Jan. 4, 1906 
Jan. 18,1906 
May 21. L906 
Feb. 16,1906 
Feb. 13,1906 
Jan. 31,1906 
192 
6 
Special . . . 
Stewart . . 
do.... 
do.... 
do.... 
do.... 
do.... 
do.... 
do.... 
do.... 
do.... 
do.... 
r. o. in. 
1'. o. III. 
r. o. in. 
s. 
s. 
No. 4. 
s. 
sc. 
1. 
1. 
sc. 
5"1. 
thr. I". 
thr. 2". 
thr. 2". 
s. 
thr. 2". 
s. 
sc. 
till-. -1". 
sc. 
sc. 
thr. 2". 
12.00 
18.00 
5.50 
30. 59 
10.75 
9.00 
3.30 
23.00 
90 
187 
Argentina: 
50 
187a 
1 
60 
139 
Arkansas: 
IB 
Huntington. . . 
Hartshorne. . . 
Huntington . . . 
No. 6 
75 
141 
7B.... 
25.00 19.00 
II.. -J) 9.78 
76 
144 
8 
85 
140 
9 
74 
142 
Illinois: 
20 . 
31.64 
8. .50 
-.1.7(1 
20.00 
14.00 
28.50 
7.32 
L6.00 
12.00 
90 
160 
151 
150 
146 
21 
22 A 
22 B 
23 A 
do 
do 
do 
do 
88 
SO 
86 
a Detailed account of the field origin of each sample of fuel may be found in Bull. U. S. Geol. Survey 
No.332. 
6 Stewart jig— speed 35 revolutions per minute, with 6-inch stroke; specij 1 jig— speed, 70 revolu- 
tions per minute, with 2i-inch stroke. 
cNot enough coal for other than special float and sink tests. 
