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,: <br />KA/SER <br />STE E L <br />+oiS E° ~T EEL :'O PPp Pp iiON <br />COLGRe DO SPPmGS CJ 67903 <br />fei ., 'Y fi3.~:109 <br />~ID]~ S)6~+;LC <br />June 6, 1988 <br />Mr. Dan T. Mathews <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />215 Centennial Building <br />Denver, Colorado 80203 <br />Re: Subsidence Monitoring Reduction <br />Revision No. 1 Area Chimney Rock Mine <br />Permit No. C-61-023 <br />Dear Mr. Mathews: <br />III IIIIIIIIIIIII Illl <br />999 yy . e.~jl <br />JU~J 81908 <br />EvfiPi~D LP.N:~ <br />~i~C~APtA i ION C7IV:!:fprd <br />Raiser Steel Corporation submits this Technical Revision to <br />conclude subsidence monitoring in the Revision No. 1 area. The <br />1988 data indicates that no subsidence has occurred. <br />The application also includes a proposed public notice. <br />Thank you for your consideration in this matter. <br />Sincerely, <br />William P. Balaz P.E. V <br />Manager-Regulatory Compliance <br />WPB:pd <br />cc: Mike Reegan <br />Enclosures <br />c~ii++ <br />