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V bi LL, bl Up. JO l.lA lO, uJ JJ.1V J0 111\V a. V.1L Jlll\L WJUJ- <br />Y <br />u arlnue~ IrIYG COAL. LLC <br />September 22, 1997 <br />~~ <br />• <br />Larry Kline <br />US Office of 5lufalx MiDiDg <br />1999 Broadway Blvd., Suitr 3320 <br />DenvtT, Colorado 80202.5733 <br />Re: Estimate of Annual Watu Depletion <br />Netiooa] King Coal, LLC. <br />King Coel Mine <br />Colorado Mining Permit fiC-81-035 <br />Dear Mr. Kline: <br />OIIHAN00 OFFICE: <br />171fi ualn Aranua. Ella 7U <br />Poll Ollloa 6aa 2903 <br />Durango, Colorado x1702 <br />Talapnona: <br />t9ro) 2fiq•za,e <br />Faa: <br />(070) 25a•falfi <br />MINE LOCATION: <br />~a2~ COUnIF Raatl 120 <br />MarDarua, Colaraoo Lt726 <br />(9rat 7es•asza <br />Faz: <br />)grot 7es.assa <br />Anima] water depletiar, at the above referenced mine is based tnr two factors. Normal <br />coosmnptiar in tutdeclyotmd end surfue ^~~~~~ and evaporative losses is setd;Ttg ponds. Neamal <br />tmdergramd and surface c(msltmption is based on a maximum prodncflon level. of 300,000 tons per <br />Y~• <br />Normal consltmptinn is the larger of the two ataoLmts ®d is metered by equipment on site. <br />Using existing meter data and e#rapolating from current production to 300kt/y gives approximately <br />10,300 gallons Per day, 254 days paz Year. far 2,616,200.gaIIaas or B.OI af/year. <br />Evaporative losses from two settling ponds are eslimatrd board on tabulated data from <br />Nationel Weather Service. The surface azea of the two ponds combined ss 0.5 aLTes and yields a <br />theoretical Imiit of approximately 1 afly evaporation SiDCe the ponds are not used for startdittg <br />coptaiotomt and are dry for most of die year, the actuel evaporative losses arc reduced to <br />appro:iroately 0.6 af/y at the most <br />Total annual water depletion is thus estimated to be: <br />CatttanptioD 8.01 af/y <br />Evepolntiar 0.6 of/y <br />?oral 8.G) afty <br />if you'have any ors <br />Tom Bird at the mint (970 785 <br />Sincerely, <br />irntt 4etei~tfn <br />General Manager <br />or commetns or requite futtl>~ informatioq please contact me or <br />4538 or (9701385-0606_ <br />CJ <br />