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
Depth Thickness
(Feet) Strata (Feet)
66.7 Shale 1.1
67.8 Coal 1.6
69.4 Shale and coal #1 (U. Dakota) 0.1
69.5 Coal 0.2
69.7 Dark shale & coal 0.3
70.0 Shale 0.3
70.3 Sandstone 0.7
71.0 Shale & sandstone 2.4
73.4 Sandstone 1.2
74.6 Shale and sandstone 2.1
76.7 Sandstone and coal 0.5
77.2 Coal 1.2
78.4 Shale #2 (L. Dakota) 0.3
78.7 Coal 5.6
84.3 Shale with coal 0.6
84.9 Shale and sandstone 4.4
89.3 TOTAL DEPTH
6-1 -9