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 Flole #4C - Ovesbur<len
• Nucla Mine, Montrose County, Colorado
Date Drilled: 2/17/77
Depth Thickness
(Feet) Strata (Feet)
0 Start core-surface soil 0.2
0.3 ffiown surface sandstone 0.6
0.9 Brown clay aryl rock 3.1
4.0 Braan gray shale 1.5
5.5 Shale and rock 0.5
6.0 Hand gray shale 1.0
7.0 Gray shale 1.0
8.0 Gray shale 0.5
8.5 Brown gray shale 0.5
9.0 Hard brown shale 1.0
10.0 Gray shale 1.0
11.0 Shale 1.4
12.4 Soft - coal 0.7
13.6 Soft coal #1 (U. Dakota) 1.0
14.6 Shale 1.6
. 16.2 Shale and sandstone 2.8
19.0 Sandstone 0.4
19.4 Shale and dazk shale 0.8
20.2 Dark shale and sandstone 1.3
21.5 Dark shale 0.8
22.3 Coal 0.3
22.6 Shale 0.7
23.3 Coal 2.1
25.4 Shale and coal #2 (L. Dakota) 0.7
26.1 Coal 2.9
29.0 Dazk shale and coal 0.2
29.2 Gray shale 0.8
30.0 Hard sandstone w/shale 4.0
streaks
34.0 TD'I'AL DEPTH
•
6-1-70