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 #639C
Nucla Mine, Montrose County, Colorado
Date Drilled: 5/4/77
D,pth Thickness
(Feet) Strata (Feet)
0 Sand and rock 2.0
2.0 Sandstone 3.4
5.4 Shale 2.2
7.6 Sandstone 0.2
7.8 Shale 0.4
8.2 Soft coal #1 (U. Dakota) 0.7
9.0 Shale 2.4
11.4 Sandstone 6.0
17.4 Shale 3.1
20.5 Coal 1.0
21.5 Shale and coal #2 (L. Dakota) 0.2
21.7 Coal 5.1
26.8 Shale 0.4
27.2 Sandstone and shale 0.6
28.0 TOTAL DEPTH
6-1 -37