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 #256B
Nucla Milne, Montrose County, Colorado
Iate Drilled: 7/13/72
Depth Thickness
(Feet) Strata (Feet)
0 Clay - damp 3.8
3.8 Sandstone - hard 6.2
10.0 Shale - damp 20.0
30.0 Sandstone - hard 8.4
38.4 Shale 8.1
46.5 Sandstone - hard 1.5
48.0 Shale - hard 3.9
51.9 Sandstone - hard 2.0
53.9 Shale 2.1
56.0 Slate 0.5
56.5 Coal #1 (U. Dakota) 2.0
58.5 Shale 0.7
59.2 Sandstone 2.8
62.0 Shale 2.9
64.9 Coal 1.7
66.6 Shale 0.5
67.1 Coal 0.8
67.9 Shale #2 (L. Dakota) 0.1
68.0 Coal 0.9
68.9 Shale 0.1
69.0 Coal 3.5
72.5 Shale and sandstone 2.5
75.0 TCTAL DEPTH
6-1 -12