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 #3C - Overburden
Nucla Mine, Montrose County, Colorado
Date Drilled: 2/14/77
Depth Thickness
(Feet) Strata (Feet)
0 Start core-grass-rock 0.4
0.4 Damp brown clay 9.6
10.0 Brown clay
10.0 Damp sandstone 0.6
10.6 Brown soft sandy clay 2.7
with sandstone
13.3 Damp brown clay 0.6
13.9 (Lost) 0.3
14.2 Silty - clay wet 0.4
14.6 Brawn clay and sandstone 0.6
15.2 Hard sandstone 4.8
20.0 Brown clay 2.4
22.4 Sandstone 1.4
23.8 Sandstone & shale 1.6
25.4 Sandstone 2.0
27.4 Lost 0.7
28.1 Sandstone 1.9
30.0 Sandstone and shale 10.0
40.0 Hard sandstone 10.0
50.0 Gray shale w/streaks 7.6
57.6 Gray sandstone 2.1
59.7 Shale and coal 0.3
60.0 Shale 1.0
61.0 Sandstone 1.0
62.0 Shale 0.3
62.3 Shale and coal 0.2
62.5 Shale 0.3
62.8 Sandstone 2.1
64.9 Hard gray shale 1.4
66.3 Sandstone and shale 0.4
6-1 -8