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~ ~ III IIIIIIIIIIIII III <br />UNION <br />CARBIDE <br />April 26, 1984 <br />UMETCO MINERALS CORPORATION <br />UNION CARBIDE CORPORATION <br />METALS DIVISION <br />URAV AN,COLO RADD 81436 <br />RECEIVED <br />M11Y 0'7 1984 <br />Mr. Mark Loye <br />Senior Reclamation Specialist <br />Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />I~INED I f ~';r ~,~,ri-A~rIST10+~~ nwISION <br />Colo. uep~ ::~ ,aarnr;,~,iesources <br />5 c:,,. ~n,, ~;~..,~D <br />Re: Temporary Cessation <br />Burro Mine #77-297 <br />Pursuant to Section 1.6, Mineral Rules and Regulations, Union Carbide <br />requests temporary cessation on the Burro Mine, permit number 77-297. <br />The Burro Mine has been operated in conjunction with an adjacent property <br />in a joint venture type operation. The Burro mine underground workings <br />and surface installations were used to support the joint venture. the <br />operation last operated in May 1983. <br />The surface disturbance on the Burro permit date back to 1957. Ore <br />reserves on the Burro Mine as of January 1, 1984 are 6,000 tons. Union <br />Carbide is currently maintaining the mine drainage system. Entrance into <br />underground workings are barred by locked gates and ventilation fans are <br />currently installed on ventilation raises. <br />Union Carbide feels that no stability or erosion problems exist on the <br />Burro Mine permitted area. Union Carbide will monitor the area to insure <br />compliance with permitted stipulations. <br />The enclosed map will orient the photographs that also accompany this <br />letter. <br />If you have questions, feel free to contact me. <br />RRE:ac <br />Yours very truly, <br />R. R. Evans <br />Uravan Mine Superintendent <br />Enclosures <br />