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of ~~~o <br />~~ ~~9 <br />~e 9 6 p DEPARTMENT OF NATURAL RESOURCES <br />* cr„i ei,o , * Davitl H. Getches, Executive Dvector <br />"\''`<~' MINED LAND RECLAMATION DI\ <br />'~ lg 76 # DAVID C. SHELTO N, Director <br />Richartl D. Lamm <br />Governor <br />October 27, 1986 <br />Mr. Jim Stover, P.E. <br />Snowmass Coal Company <br />P.0. Box 1354 <br />Palisade, Colorado 81526 <br />Re: Certification of Refuse Pile Reclamation, C-81-025 <br />Dear Mr. Stover: <br />I have reviewed the compaction testing for the refuse pile reclamation. It is <br />acceptable. <br />Other areas of the construction still requiring certification of material is <br />the rip rap channel including certification of depth of rip rap and a survey <br />of the longitudinal profile of the channel showing as-built slopes. The <br />Division's injection report of September 17, 1986 identifies areas of concern <br />in the channel, especially the low slope areas at the head of the channel. A <br />longitudinal survey will allow for evaluation of the as-built channel. Areas <br />of rip rap and the d50 should also be plotted on this profile. <br />Several cross-sections through the reclaimed side slopes should be provided <br />Channel width should be noted on these cross-sections. <br />If you have any question, please call. <br />Sin erely,_ <br />f /"//~ <br />Candace M. Thompson <br />Hydrologist <br />CMT/IML <br />4780E <br /> <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (303) 866-3567 <br />iii iiiiiiiiniii iii <br />999 <br />