272         CONTRIBUTIONS    TO    ECONOMIC    GEOLOGY,    1907,    PART   II. 
Analyses  of  coal  samples  from  the  Rock  Springs  field,  Wyoming — Continued. 
Name 
of  formation 
Upper  part  of  Mesaverde. 
(?) 
Name 
of  coal  group 
Almond. 
Black 
Buttes. 
Labor 
5352. 
5347. 
5950. 
5597. 
5599. 
5348. 
5349. 
5350. 
5951. 
5952. 
Sampl 
e  as  received: 
'Moisture 
16.  61 
30.24 
43.96 
9.19 
.68 
5.28 
55.64 
1.10 
28.11 
5,230 
9,414 
13.27 
18.89 
58.82 
9.02 
.96 
12.28 
31.92 
47.09 
8.71 
.57 
25.70 
27.70 
40.  69 
5.91 
.29 
5.17 
49.10 
1.07 
38.46 
4,331 
7,796 
23.56 
30.20 
40.75 
5.49 
.33 
'4,"  267" 
7,681 
23.03 
29.11 
41.60 
6.26 
.53 
5.23 
50.45 
1.15 
36.38 
4,475 
8,055 
11.49 
33.28 
43.51 
11.72 
.62 
"4, 679' 
8,422 
26.26 
32.13 
37.47 
4.14 
.39 
5.46 
47.16 
1.23 
41.62 
4,067 
7,321 
13.92       12.85 
h 
Volatile  matter 
29.50  I     30.36 
52.  49       52.  48 
dH 
LfAsh 
4.09 
.52 
4.31 
1  Sulphur 
.56 
5. 21 
+* 
'5*776' 
10,397 
60.27 
D 
1.47 
28.18 
Ca 
Bi 
lories 
5,276 
9,497 
4,978 
8,960 
5,877 
itish  thermal  units 
10,579 
Loss  of  moisture  on  air  drying 
2.80 
1.60 
4.20 
10.70 
9.30 
4.70 
.20 
11.70 
6.20         3.60 
Air-dr 
ied  sample: 
Moisture 
14.21 
31.11 
45.22 
9.46 
.70 
5.11 
57.24 
1.13 
26.36 
5,381 
9,685 
11.20 
1.61 
11.  86 
19.20 
59.77 
9.17 
.98 
8.43 
33.  32 
49.16 
9.09 
.60 
16.80 
31.02 
45.  56 
6.62 
.32 
4.46 
54.98 
1.20 
32.42 
4,850 
8,730 
11.97 
1.37 
15.72 
33.30 
44.93 
6.05 
.36 
'4,' 705' 
8,469 
19.23 
30.55 
43.65 
6.57 
.55 
4.94 
52.94 
1.21 
33.79 
4,696 
8,452 
10.71 
1.29 
Ft.  in. 
8 
11.31 
33.35 
43.  60 
11.74 
.62 
4,"  688" 
8,439 
Ft.  in. 
6      h 
16.49 
36.39 
42.43 
4.69 
.44 
4.71 
53.41 
1.39 
35.36 
4, 606 
8,291 
11.33 
1.32 
Ft.  in. 
4    6 
8.23         9.60 
1 
Volatile  matter 
Fixed  carbon 
31.45 
55.96 
4.36 
.55 
"6,' 158' 
11,084 
Ft.  in. 
6    3 
31.49 
54.44 
Ph 
(Ash 
4.47 
[\Sulphur 
.58 
4.99 
+jj 
Carbon 
62.52 
P1 
1.53 
1 
25.91 
Ca 
Bi 
R; 
Thick] 
lories 
5,362 
9,651 
5, 196 
9,353 
6,096 
itish  thermal  units 
itios— 
C-hH... 
10, 974 
12.50 
C-h(0+As1i).. 
2.09 
less  of  coal 
Ft.  in. 
5    1 
Ft.  in. 
6 
Ft.  in. 
6 
Ft.  in. 
7    2 
Ft.  in. 
7 
Ft.  in. 
5    6 
Name 
of  formation 
(?) 
Wasatch. 
Name 
Black  Buttes. 
Black  Rock. 
Labor 
atory  No 
5808. 
5811. 
5810. 
5930. 
5803. 
5802. 
5374. 
5375. 
5367. 
Sampl 
e  as  received: 
'Moisture 
18.86 
29.17 
47.85 
4.12 
.49 
5.64 
58.96 
1.45 
29.34 
5,713 
10, 283 
19.42 
31.02 
45.02 
4.54 
.51 
15.14 
32.58 
47.88 
4.40 
.62 
16.65 
29. 15 
49.56 
4.64 
.28 
5.45 
59.67 
1.08 
28.88 
5,737 
10, 327 
20.33 
31.43 
43.03 
5.21 
.98 
5.92 
55.  97 
1.12 
30.80 
5,495 
9,891 
22.52 
30.83 
41.83 
4.82 
.96 
5.82 
52.44 
.96 
35.  00 
5,006 
9,011 
22. 14 
31.34 
41.85 
4.67 
.80 
5.55 
52.40 
.93 
35.65 
4,868 
8,762 
31.37 
29.  60 
28.91 
10.12 
1.27 
5.43 
37.03 
.79 
45.  36 
3,130 
5,634 
26.28 
§ 
Volatile  matter 
Fixed  carbon 
31.28 
26.23 
* 
fAsh 
16.21 
H Sulphur.. . 
1.06 
Hydrogen 
—  ■ 
Carbon 
P 
Nitrogen 
Oxygen 
Ca 
Bi 
lories 
5,677 
10,219 
5,766 
10, 379 
3,311 
itish  thermal  units 
5,960 
Loss  of  moisture  on  air  drying. 
5.80 
6.10 
3.70 
6.10 
9.70 
10.70 
12.50 
14.20 
6.90 
Air-dr 
1 
P 
Ca 
Bi 
Rs 
Thick] 
ied  sample: 
Moisture 
13.86 
30.97 
50.80 
4.37 
.52 
5.31 
62.59 
1.54 
25.67 
6,065 
10,916 
11.78 
2.09 
14.18 
33.04 
47.94 
4.84 
.54 
11.88 
33.83 
49.72 
4.57 
.64 
11.24 
31.04 
52.78 
4.94 
.30 
5.08 
63.55 
1.15 
24.98 
6,110 
10, 998 
12.48 
2.12 
11.77 
34.81 
47.65 
5.77 
1.09 
5.36 
61.98 
1.24 
24.56 
6,085 
10, 953 
11.56 
2.09 
13.24 
34.52 
46.84 
5.40 
1.08 
5.18 
58.72 
1.08 
28.54 
5,606 
10, 091 
11.34 
1.73 
11.01 
35.82 
47.83 
5.34 
.91 
4.76 
59.89 
1.06 
28.04 
5,563 
10,014 
12.31 
1.75 
20.01 
34.50 
33.70 
11.79 
1.48 
4.49 
43.16 
.92 
38.16 
3,648 
6,566 
9.58 
.86 
20.82 
Volatile  matter 
Fixed  carbon 
33.60 
28.17 
/Ash 
17.41 
[\  Sulphur 
1.14 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
lories 
6,046 
10, 882 
5,988 
10, 778 
3,556 
itish  thermal  units 
itios — 
C-r-H 
6,402 
C-r-(0+Ash) 
less  of  coal 
Ft.  in. 
6    6 
Ft.  in. 
4    6 
Ft.  in. 
5    6 
Ft.  in. 
21 
Ft.  in. 
8    6 
Ft.  in. 
8    6 
Ft.  in. 
5    6 
Ft.  in. 
4 
Ft.  in. 
1    6 
