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 #641C
Nucla Mine, Montrose County, Colorado
Date Drilled: 5/4/77
Depth Thickness
(Feet) Strata (Feet)
0 Loose sand and rock 3.0
3.0 Shale and sandstone 6.0
9.0 Shale and coal #1 (U. Dakota) 1.8
10.8 Shale 1.6
12.4 Sandstone 4.0
16.4 Shale 2.4
18.8 Coal #2 (L. Dakota) 6.6
25.4 Shale 0.6
26.0 TOTAL DEPTH
6-1 -38