PERMFILE124610

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Lithologic Descriptions
• Section_Exhibit Name: NH1 TAB 6 APPENDIX 6-1 Part 2
• Media Type: D
• Archive: Yes

• ~ Geologic Description for Drill Hole 874E
PJucla Kline, Montrose County, Colorado
Hole Number: 874E Associated Wells: G'.J-N24(iJM0024)
Date Drilled: 4/21/86 Location: T47N,Ri5W, SW#,NW;
Drilled By: Alan Chiles Section 31
Logged By: Gary Wendt Coordinates: 603,815' IV
1,118,342' E
Elevation: 5164'
Depth Increment Description of Strata
(feet)
0.0- 0.3 SOIL, reddish brown, friable, i~1E/VE
0.3- 2.0 SANDSTONE, light grayish brown to brown, extremely
hard, VE
2.0- 4.0 SHALE, gray, hard, SE/ME, extremely hard sandstone
at 2.0-2.4
4.0- 7.4 SHALE, very dark gray, slightly hard and soft black
• COAL and carbonaceous SHALE (weathered Upper Dakota
seam), NE
7.4- 9.0 SANDSTONE, light gray, slightly hard, gray shale at
7.4-7.6, NE
9.0-13.0 SANGSTONE, brown, slightly hard to hard, NE,
sandstone strata continues to 13.2
13.0-15.7 SHALE, gray to dark gray, slightly hard to hard, NE,
powdery yellow sulfur stains (Jarosite) in
fractures, 50 percent light gray sandstone at
15.55-15.70
15.7-23.5 COAL, Lower Dakota seam, slightly hard light gray
silty shale parting with powdery yellow sulfur
stains. (Jarosite) at 15.95-16.25, light gray silty
shale streak at 17.36-17.44 and 17.53-17.57, NE
23.5-23.9 SHALE, dark grayish brown, slightly hard, NE
23.9-26.8 SANDSTONE, light gray, hard with 35 percent slightly
hard gray shale streaks, NE
r1
U
6-1-52
Revised 11/01/86