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 #310B
L]ucla rune, Montrose County, Colorado
Date Drilled: 9/29/73
Depth Thickness
(Feet) Strata (Feet)
0 Shale 0.5
0.5 Smut #1 (U. Dakota) 1.5
2.0 Shale 1.0
3.0 Sandrock 2.4
5.4 Dark shale 3.0
8.4 Smut - Coal 2.0
10.4 Coal 1.0
#2 (L. Dal~ota)
11.4 Shale 0.2
11.6 Coal 4.0
15.6 Shale 0.4
16.0 Sandstone and shale 5.0
21.0 Shale 3.5
24.5 Very hard rock 3.0
27.5 Shale 2.1
39.6 Coal 1.4
41.0 Dark shale 0.3
41.3 Ca31 #3 (Nucla) 0.6
41.9 Dark shale - slate 1.7
43.6 Coal 1.0
44.6 Dark shale 0.5
45,1 Hard sandstone - rock 1,9
47,0 Sandstone 30.7
77.7 Slate 2,0
79,7 Shale 0.4
B0,1 Sandy sandstone 0.9
61,0 Hard sandstone 2.4
83.4 Shale 1.9
85.3 Hard sandst~Ie 1.7
87.0 Shale with hard streaks 11.0
98,0 Hard rock 2.0
• 100.0 TUPAL DEPTII
6-1-20