|
y1r
<br /> a
<br /> i
<br /> 71
<br /> TOTAL IN-PLACE-COAL RESERVES
<br /> WESTERN FUELS-UTAH, INC. BUREAU OF LAND MANAGEMENT PERCENT
<br /> COAL SEAM ESTIMATE (TONS) ESTIMATE (TONS) DIFFERENCE
<br /> B 112,469,000 tons 99,176,487 tons 10.2
<br /> C 59,327,000 tons 54,060,799 tons 6.2
<br /> NOTE: Western Fuels-Utah, Inc. reports more coal than the. BLM estimate
<br /> for both seams.
<br /> Tne mineable reserve base and recoverable reserve base was calculated on a
<br /> lease by lease oasis by a staff mining engineer.
<br /> MINEABLE RESERVE BASE ESTIMATE
<br /> B SEAM
<br /> WESTERN FUELS-UTAH, INC. BUREAU OF LAND MANAGEMENT PERCENT
<br /> LEASE NO. ESTIMATE (TONS) ESTIMATE (TONS) DIFFERENCE
<br /> C-023703 19,813,000 21 ,701 ,608 9%
<br /> D-047201 5,773,000 6,052,886 5%
<br /> C-0126669 2,229,000 2,149,002 4%
<br /> C-8424 42,158,000 42,885,812 2%
<br /> -8525 12,945 000 13 232,214 2%
<br /> Total >
<br /> bzz 4%
<br /> Variation from BLM calculations range: (2%-9%)
<br /> Mean Variation: 4.4%
<br /> Standard Deviation: 2.88%
<br /> D SEAM
<br /> -WESTERN FUELS-UTAH, INC. BUREAU OF LAND MANAGEMENT PERCENT
<br /> LEASE NO. ESTIMATE (TONS) ESTIMATE (TONS) DIFFERENCE
<br /> C-023703 27,283,000 27,000,988 1%
<br /> D-047201 6,529,000 6,765,773 3%
<br /> C-0126669 2,746,000 2,733,359 0%*
<br /> C-8424 3,137,000 3,261 ,930 4%
<br /> C-8425 5,333,000 5,619,800 5%
<br /> ota •
<br /> * Actually .4%, rounded to 0%
<br /> Variation from BLM calculations range: (0-5%)
<br /> Mean Variation: 2.6%
<br /> Standard Deviation: 2.07%
<br /> it
<br />
|