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 #562C
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/17/77
Depth Thickness
(Feet) Strata (Feet)
0 Clay and shale 11.0
11.0 Sandstone 4.2
15.2 Gray shale 2.3
17.5 Dark shale 1.0
18.5 Soft coal #1 (U. Dakota) 2.0
20.5 Dark shale 1.5
22.0 Hard sandstone 5.5
27.5 Gray shale 2.6
30.1 Coal 0.2
30.3 Shale 0.4
30.7 Coal #2 (L. Dakota) 1.0
31.7 Shale and coal 0.3
32.0 Coal 4.8
36.8 TOTAL DEPTH
6-1 -32