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 #539C
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/8/77
Depth Thickness
(Feet) Strata (Feet)
0 Hard rock 3.0
3.0 Dark gray shale 1.9
4.9 Dark gray shale and shut 0.9
5.8 Smut #1 (U. Dakota) 2.0
7.8 Dark shale 1.2
9.0 Shale and sandstone 2.0
11.0 Sandstone 2.6
13.6 Gray shale 3.6
17.2 Soft coal 0.7
17.9 Shale 0.5
18.4 Soft coal #2 (L. Dakota) 2.0
20.4 Mediiun coal 3.0
23.4 Dark shale with coal 0.3
23.7 Shale 0.3
24.0 TOTAL DEPTH
6-1 -30