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g,. <br />9 ~.~ y I ROCKY MOUNTAIN GEOTECHNICAL, INC. <br />Achieving Hzrmony with Earth <br />February 10, 1983 <br />Mr. Bill Tate <br />4:estern Associated Coal Corp. <br />410 17th Street, Suite 2300 <br />Denver, CO 80200 <br />Dear Bill: <br />Enclosed are three copies of our report on the Stability <br />Investigation - Ptine Area for the Blue Ribbon Mine. Additional <br />copies of the report Trill be available upon request. <br />If you have any questions regarding this report, or require <br />additional information, please contact us. <br />Respectfully submitted, <br />ROCKY%APiOUNTAIN GEOTECANICA <br />Richard J. Greenwood, P.L. <br />Projec*_ Manager <br />t~~j <br />':;;:Kenneth L. Piye P.E. <br />-~'~~9?Y'i~i1c'i~pal in arge ~ - <br />RJG/msl <br />RMG Job P]o. 39A <br />I• <br />The Railroad Station • 555 E. Pikes Peak Avenue, Suite 107 • Colorado Springs, Colorado 80903 • (3037 634-1999 <br />