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III IIIIIIIIIIIIIIII <br />999 <br />ENGINEERING ~ SURVEYING COMPANY <br />BOX d74 • 443 DODGE DELTA. COLORADO, i741a ,03-a74-7593 <br />2760 <br />August 28, 1981 <br />Mined Land Reclamation <br />433 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />ATTN: Dan Dlathews <br />Re: Grand Diesa Coal Company <br /> <br />A~'3119a1 <br />S~p~~SCOOn~L' <br />This letter is in reponse to the Preliminary Adequacy Review Letter, <br />dated May 8, 1981. <br />Each of the concerns identified in the May 8, 1981 letter have been <br />addressed and are enclosed for your review. All of the revisions <br />have been labelled as "REVISED May 8, 1981". <br />The revisions are enclosed as ..six (6) separate volumes. Volumes 3 <br />and 4 of 6 are geotechnical analysis done in the past that were <br />required to be submitted. Volume 5 of 6 is a Cultural Resource <br />Study. Volume 6 of 6 is a recently completed geotechnical analysis <br />to determine stability of the proposed spoils pile. <br />Volumes 1 and 2 include the responses to the May 8, 1981 letter. <br />As noted on the enclosed copy of the May 8, 1981 letter, the location <br />of the response to the concerns in the letter are identified by <br />page number in LARGE TYPE. Figures, Tables, Drawings and Maps are <br />not individually listed. They are referenced in the revised pages <br />and included in their appropriate place. A complete list of revised <br />Figures, Tables, Drawings and Maps is included. <br />Contact this of 'ce if you have any questions or require additional <br />data. <br />C~i~`' v" <br />E. LeRoy Black <br />ELB/ab <br />cc: Grand D1esa Coal Company <br />