PERMFILE61774

• Permit No: C1981033
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 06 PREVIOUS UNDERGROUND MINING OPERATIONS
• Media Type: D
• Archive: No

COLOIL-L7U COaI. `1IhS 1N_UrrL~.t1uY
PRI?IARY 'SINE NA,'1E:
OPERATOR, PERIOD WORKED:
r SECONDARY MINE NAME (1):
~PERATOR, PERIOD WORKED:
SECONDARY ih'I:tE NAME (2):
0?ER~1T0R, ?ERZOD WORKED:
Oliver No. 1
Oliver Coal Co., 1923-1944
North Fork
North Fork Coal Co., 1952-1954
Oliver No. 3
Minerals Development Corp. of Colorado, '_-_
1954-1960 ~ --
GEOGRAPHY
COAL REGION: Uinta COAL FIELD: Somerset
AREA: COUNTY: Gunnison
SEC., TWP., RGE.: N4T SW SE Sec 10 T13S R90W
MINE INDEX NUMBER: 166 MAP L`rDEX NUMBER: NW-27
MINE TYPE: IInder~ound-drift PORTAL ELEVATION (ft): 6100
GEOL06IC INFORMATION
COAL-BEARING ROCK IJIiIT:
GEOLOGIC AGE:
COAL 'ZONE':
COAL BED NAME:
COAL THICKNESS (fL):
STRATIGRAPRIC POSILON:
BEDDING ATTITUDE (aegrees):
OVERBURDEN THICKNESS (f t):
t
Bowie Member, Mesaverde Gp
Upper Cretaceous
IIndiiferentiated
D, E
7.0-15.0
E is 290' above Rollias Sandstone (?)
Strike due E 2-35 dip (?)
ANALYSIS
APPARENT COAL RANX: Bituminous
HEAT VALUE, AS-RECEZV"cD (Btu/lb): 12,910
_PRO%IMATE ANALYSIS (Coal Analysis-Dry. Moist. aad Btu-As Recv'd):
Ash (2): 4.4 Moisture (Z): 6.5
Volatile Matter (i.): 41.2
Fixed Carbon (I): 54.4 Sulfur (%): 0.5
COiiING COAL DATA:
FR'.E Sw~'LLING I_"IDEX (FSI): 1.5
HET'R4NE DATA: Gas reported
PRODUCTION AND DEPLETION
PRODUCTION (short tons):
Differentiated:
Total:
RECOVERY FACTOR (2):
DEPLETION, TOTAL (short
D Bed 1,154,998
E Bed 213,917
1,368,915
50
tons): 2,737,830
D 2,309,996; E 427,834
GENERAL INFORMATION
ctEFERENCES :
Fender and Murray (1978); Jones and
Murray (1978); Toenges and others
(1952)
REMARKS