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 #259B
Nucla Mine, Montrose County, Colorado
Date Drilled: 1/14/72
Depth Thickness
(Feet) Strata (Feet)
0 Clay and sandstone 21.0
21.0 Sandstone 7.0
28.0 Shale 13.3
41.3 Sandstone - hard 2.6
43.9 Shale 2.1
46.0 Slate 1.6
47.6 Coal #1 (U. Dakota) 1.2
48.8 Shale 4.2
53.0 Sandstone 2.5
55.5 Shale - dark 1.5
57.0 Coal 0.5
57.5 Shale 0.4
57.9 Coal 1.0
58.9 Shale 0.5
#2 (L. Dakota)
59.4 Coal 3.9
63.3 Shale - dark 0.2
63.5 Coal 1.1
64.6 Slate - coal 0.4
65.0 Sandstone 1.0
66.0 TOTAL DEPTH
6-1-13