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 #537B
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/7/77
Depth Thickness
(Feet) Strata (Feet)
0 Surface soil 1.5
1.5 Sandstone 2.5
4.0 Shale and sandstone 2.0
6.0 Sandstone 4.3
10.3 Gray shale 3.8
14.1 Coal #1 (U. Dakota) 1.7
15.8 Gray shale 2.0
17.8 Sandstone 2.0
19.8 Gray shale 2.5
22.3 Coal 0.2.
22.5 Light gray shale #2 (L. Dakota) 0.2
22.7 Coal 6.3
29.0 Shale and sandstone 1.0
30.0 TCTAL DEPM
6-1 -29