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 ffole #340
Nucla Mine, Montrose County, Colorado
Date Drilled: 11/6/73
Depth Thiclmess
(Feet) Strata (Feet)
0 Sandstone 3.8
3.8 Shale 1.5
5.3 Dark shale 2.0
7.3 Soft Coal #1 (U. Dakota) 1.2
B.5 Dark shale 0.5
9.0 Shale 0.8
9.8 Hard sandstone rock 5.2
15.0 Shale 1.5
16.5 Dark shale 1.2
17.7 Coal 0.5
18.2 Shale 0.5
18.7 Coal 1.0
#2 (L. Dakota)
19.7 Shale 0 2
• 19.9 Coal 5.0
24.9 Coal 0.4
25.3 Sandstone 4.1
29.4 Shale 3.6
33.0 Hard sandstone 5.4
38.4 Shale 1.9
40.3 Sandstone 9.7
50.0 Dark shale 2.4
52.4 Coal 2.1
54.5 Shale 2.2
56.7 Wet coal #3 (NUCla) 0.5
57.2 Shale 2.5
59.7 Coal 1.6
61.3 Shale & sandstone 5.3
66.6 Shale - dry 10.4
77.0 Ifarcl shale and shale 3.0
80.0 Shale 2.0

6-i-21