PERMFILE103097

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH1 TAB 6 APPENDIX 6-1 LITHOLOGIC DESCRIPTIONS OF CORE AND BORE HOLES
• Media Type: D
• Archive: Yes

Drill Hole #346
• Nucla Mine, Nbntrose County, Colorado
Date Dril led: 11/12/73
Depth Thickness
(Feet) Strata (Feet)
0 Clay a~ loose rock 5.0
5.0 Shale 12.0
17.0 Dark shale 0.5
17.5 Sand rock 1.7
19.2 Shale and sandstone 1.8
21.0 Shale 2.8
23.8 Dark shale 0.8
24.6 Coal #1 (U. Dakota) 1.7
26.3 Dark shale 0.7
27.0 Shale 1.3
28.3 Sandstone 5.0
33.3 Dark shale 2.0
• 35.3
8
35 Coal
h
l 0.5
3
. S
a
e 0.
36.1 Coal #2 (L. Dakota) 0.9
37.0 Shale and coal 0.2
37.2 Coal 5.0
42.2 Shale and sandstone streaks 17.2
59.4 Hard sandstone 2.4
61.8 Dark shale 2.0
63.8 Shale 4.5
68.3 Dark shale 0.4
68.7 Coal 2.1
70.8 Shale - dark shale #3 (Nucla) 0.6
71.9 Slate 1.6
73.0 Coal 1.5
74.5 Slate 0.5
•
6-1-23