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 #583
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/31/77
Depth Thickness
(Feet) Strata (Feet)
0 Brown clay - damp 10.0
10.0 Sandstone and clay 1.3
11.3 Hard sandstone 0.7
12.0 Gray shale and sandstone 2.0
14.0 Sandstone 1.0
15.0 Gray-brown shale 10.9
25.9 Hard sandstone 1.1
27.0 Shale 0.8
27.8 Coal (Ride') 0.7
28.5 Shale 5.8
34.3 Coal #1 (U. Dakota) 1.6
35.9 Shale 1.2
37.1 Hard sandstone 2.1
39.0 Gray shale and sandstone 1.5
40.5 Hard sandstone 1.5
42.0 Gray shale 2.2
44.2 Coal 0.6
44.8 Shale 0.3
45.1 Coal #2 (L. Dakota) 1.2
46.3 Shale and sandstone 0.4
46.7 Coal 5.3
52.0 Dark shale 10.0
53.0 TOTAL DEPTH
6-1-34