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CLASSIFICA?ION OF COAL RESOURCES LN LEASE APPLICATION AREA C-29125--Two minable <br />coal beds underlie the application area, as follows: <br />Bed 1 (Upper Menefee seam) ranges from about S.5 to over 6 feet thick in <br />:.~ the coal haulageway of the Xing Coal Mine adjoining the northern boundary <br />of the application area. An~a+~i~ration hole drilled in 1928 by the <br />Calumet Fuel Company in eh NWkS47-t sec 3Z._T 35' N , R 11 W. located - <br />-~ ~- -- <br />approximately 650 feet eaa a lease application boundary in Pine <br />Culeh~ reported 7 feet of coal at this horizon. <br />Coal bed 1 is known within li-miZe of the application land in Calumet <br />drill-hole 2, and in mine workings of the King Coal lease along the entire, <br />northern boundary of the application area. These data points place the en- <br />tire application area within a radius of ~-mile from known coal measurements <br />of coal bed 1. Coal bed 1 falls within the coal classification standards <br />(U.S. Geological Survey Sull. 1450-B) for "measured" coal in the north half <br />of the application area, and the criteria for "indicated" coal reserves in <br />the southern half of the 120-acre lease application area. <br />Coal bed 2 measurements are known from the Burnwell No. 2 Mine, and drill- <br />hole NKC in the S„it$kNHk sec. 32, ?. 35 N., R. 11 ii (figs. 1 and 3). <br />The NKC drill hole is located approximately 300 feet north of the north <br />boundary line of the application area. These data points place the entire <br />application area within a ~.-mile-vide belt, and within 3-4 mile of a known <br />coal measurement on coal bed 2. Coal bed 2 meets coal claseifiea[ion <br />standards for "measured" coal under approximately 33 acres in the northern <br />par[. of [he application area, and standards for "indicated" coal in the <br />balance of the application area. <br />ESTIMATED RESERVE BASE CALCULATIONS IN LEASE APPLICATION AREA --For reserve <br />base estimates, coal bed 1 is considered to average 5.8 feet thick and underlie <br />the entire 120 acres of the application area at depths ranging from about 50 <br />feet below the surface in Pine Culeh Co about J00 feet below the surface on Che <br />divide beteeen Pine Gulch and Hay Gulch. , <br />The total amount of coal underlying the application area in coal bed 1 (upper <br />Menefee seam) is calculated at 1,252,800 Cons of "measured" and "indicated" coal <br />reserves, or 657,720 tons of "measured" coal, and 595,080 tons of "indicated" <br />coal. <br />120 ac x 5.$ ft x 1 800 tons ~ 1 252 800 tons <br />' ac-ft ' ' <br />For reserve base estimates, coal bed 2 is considered to average 5 feet thick <br />and underlie the entire application area at depths ranging from about 130 feet <br />below the surface in Pine Culeh Co 380 feet below the surface on the divide <br />beteeen Pine Gulch and Hay Gulch. <br />120 ac x i ft x 1 800 tons ~ 1 080 000 tone <br />' ac-ft ' ' <br />1'he total amount of coal underlying the application area in coal bed 2 is <br />calculated at 1,080,000 tone, including 297,000 tons of "measured" coal and <br />783,000 tons of "indicated" coal reserves. <br /> <br />3 <br />November 1993 <br />