1988-04-11_PERMIT FILE - C1981008A ‎(6)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/11/1988
• Doc Name: Lithologic Descriptions of Core and Bore Holes
• Section_Exhibit Name: Tab 6 Exhibit 4-1
• Media Type: D
• Archive: Yes

Drill Hole #282
Nucla Mine, Montrose County, Colorado
Date Drilled: 9/17/73
Depth Thickness
(Feet) Strata (Feet) Formation
0 Rock and clay 1.4
1.4 Hard sandstone 1.6
3.0 Loose sandstone 1.4
4.4 Shale 2.7
7.1 Smut coal 1.4
8.5 Soft coal #1 (U. Dakota) 0.5
9.0 Shale 1.3
10.3 Shale and sandstone 4.5
14.8 Hard sandstone 1.1
15.9 Dark shale 2.5
18.4 Coal 0.5
18.9 Shale 0.3
19.2 Shale and coal 0.1
19.3 Coal #2 (L. Dakota) 0.7
20.0 Shale 0.2
20.2 Coal 5.4
25.6 Shale 0.4
26.0 Sandstone and shale 4.0
30.0 Shale 3.9
33.9 Hard rock 4.5
38.4 Shale 3.6
42.0 Shale and sandstone 7.0
49.0 Dark shale 1.5
50.5 Shale and sandstone 4.0
54.5 Dark shale with water 10.5
65.0 Coal 1.0
66.0 Shale #3 (Nucla) 0.2
66.2 Coal 0.8
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