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 #572
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/26/77
Depth Thickness
(Feet) Strata (Feet)
0 Brown clay - gravel 2.6
2.6 Brown sandstone 6.8
9.4 Brown shale 4.6
14.0 Sandstone and shale 6.3
20.3 Dark shale 0.7
21.0 Brown sandstone 1.7
22.7 Gray shale 5.0
27.7 Coal #1 (U. Dakota) 1.9
29.6 Shale 1.0
30.6 Brown sandstone and shale 4.9
35.5 Gray shale 2.4
37.9 Coal 0.3
38.2 Shale #2 (L. Dakota) 0.2
38.4 Coal 6.6
45.0 Shale and sandstone 5.0
50.0 TOTAL DEPTH
6-1 -33