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 #536B
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/6/77
Depth Thickness
(Feet) Strata (Feet)
0 Loose rock and clay 1.0
1.0 Hard sandrock 2.0
3.0 Dark shale 1.0
4.0 Gray shale 1.0
5.0 Soft coal - smt #2 (L. Dakota) 3.0
8.0 Medium-soft coal 3.4
11.4 Gray shale 0.6
12.0 Sandstone 2.0
14.0 Shale and sandstone 2.0
16.0 Gray shale 3.8
19.8 Hard sandstone 4.2
24.0 Gray shale 4.7
28.7 Hard sandstone 11.3
40.0 TOTAL DEPTII
6-1 -28