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cGLORaDO co:i *fl~+~ I2.. o~u2ATICx <br />P~ii'~ ~'C `tI`iE Y:1aE: Superior ;io. 1, ao. Z <br />0?c~?'=02; PERIOD [~i04.'CED: Superior Coal Co., 1931-193; <br />OND_..?'L :LINE NA;g (1) <br />_ ..RAiOR , PERIOD WORKED <br />SECO:iD?RY ?IINE tl_A.~fE (2): <br />OPERATOR, PERIOD WORKED: <br />GEOGR.3°HY <br />COAL REGION: San Juan River COAL FIELD: Durango <br />AREA: Durango. COUNTY: La Plata <br />SEC., TWP., RGE.: SW SW SE Sec 16 T35N R10W <br />ML`tE INDEX NUMBER: 54 MAP INDEX NUMBER: SW-20 <br />MItiE TYPE: Underground-drift PORTAL ELEVATION (ft): 7,237 <br />GEOLOGIC INFORMATION <br />COAL-BEARING ROCK UNIT: <br />GEOLOGIC AGE: <br />COAL 'ZONE': <br />COAL BED NAME: <br />COAL THICRtIESS (ft): <br />STRATIGRAPHIC POSITION: <br />BEDDING ATTITUDE (degrees): <br />OVERBURDEN TRICKNESS (ft): <br />Menefee Fm <br />Upper Cretaceous <br />Peerless, C coal group <br />Peerless <br />N65W SW dip (?) <br />ANALYSIS <br />l'_ • <br />APPARENT COAL RANT: Bituminous <br />TL,AT VALUE, AS-RECEIVED (Btu/lb): <br />PROXIMATE ANALYSIS (Coal Analysis-Dry. Moist. and Btu-As Recv'd): <br />Ash (X): Moisture (X): <br />Volatile Matter (%): <br />Fixed Carbon (%): Sulfur (7.): <br />COKItTG COAL DATA: <br />FREE SWELLING INDEX (FSI): <br />:1rTHANE DATA: <br />PRODUCTION AND DEPLETION <br />PRODUCTION (short tons): <br />Differentiated: 2,658 <br />oCai~: 2,6.18 <br />RECOVERY FACTOR (%): 50 <br />DEPLETION, TOTAL (short tons): 5,316 <br />GENERAL INFORMATION <br />~RENCES: <br />Y. <br />_.REMARKS: <br />