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 #lC - Overburden
Depth Thickness
(Feet) Strata (Feet)
28.3 Sandstone 0.2
28.5 Shale 0.4
28.9 Shale (lost) 0.3
29.2 Shale and sandstone 0.8
30.0 Sandstone 1.0
31.0 Shale & sandstone 0.8
31.8 Coal 1.4
33.2 Shale & coal #1 (U. Dakota) 0.4
33.6 Shale 1.3
34.9 Shale and sandstone 0.8
35.7 Sandstone 2.7
38.4 Hard dark shale 1.6
40.0 Hard dark shale 0.3
40.3 Coal 0.3
40.6 Shale 0.3
40.9 Coal 1.4
42.3 Shale 0.4
42.7 Coal #2 (L. Dakota) 0.7
43.4 Shale 0.2
43.6 Coal 0.8
44.4 Shale 0.2
44.6 Coal 3.4
48.0 Shale and coal 0.2
48.2 Shale 1.8
50.0 Sandstone and shale 2.0
52.0 Hard shale 2.0
54.0 TOTAL DEPTH
6-1 -5