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_ ~~ ~ <br />WFOMINO FUEL COMPANY <br />12065 WEST SECOND PLACE <br />POST OFFICE BO% 16265 <br />LAHEWOOD, COLORADO 60215 <br />TELEPHONE (303)060-1740 <br />Decetnbes 4, 1980 <br />~. ~y z. cox DEC - 8 1980 <br />Mine3 Land Reclamation <br />I]epartmPnt of Natural Resources MiiJED LAND RECLAMATit;P! <br />423 Centennial Building Colo. Dept. of h!atural Aesoe:ca~ <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Rae: Overburden Analyses for the Future <br />bctensicm of the Canadian Strip Mine - <br />Walden, Colorado. <br />Dear Mr. Cox: <br />This is to ccmfirm our telephone conversation on Deoeznber 4, <br />1980, oonoernu~g the partial modification of certain parameters <br />for analysis listed on the enclosure to your Nwenbes 20, 1980, <br />letter addressed to Dave Stout of our office. <br />A sl%Hnary of these points is as follaas: <br />1) Wyoming Fuel Canpany must have at least one ovesbuxden <br />sampling location which penetrates the entire strati- <br />graphic section to be mined (including upper sediments <br />falling within the Highwall "Lay-Back" Fegicm) which <br />analyzes all parameters listed on the above-referenced <br />letter for all lithologic intervals within the sampling <br />location. This sampling location may be either one of <br />the new sampling sites or it may be an up~7ated analysis <br />of the previously tested site (due to its adjacent <br />location on the present 90-acre lease block). <br />2) On all other test sites it will be sufficient to analyze <br />every parameter except the toxic heavy metals list for all <br />lithologies except those which are carbonaceous in nature <br />or that lie immediately above or iRmediately belay the <br />coal seam to be extracted. For these zones it will be <br />necessary to include analyses for the toxic heavy metals. <br />3) The parameter of Vanadium is to be included in the list <br />of toxic heavy metals. <br />