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• <br />U <br />• <br />Nardtng Lawson Aasoelataa <br />May 29, 1996 <br />Ms. Christine Johnston <br />Mountain Coal Company <br />West Elk Mine <br />Somerset, Colorado 81434 <br />RE: Access Road Certification <br />Dear Christine: <br />iiiiiiiiiiuiu <br />Harding Lawson Associates has reviewed the material storage branch road at the West Elk Mine for access <br />road certification. The criterias for access road certification are stated in Section 4.03.2 of the Regulations <br />of the Colorado Mined Land Reclamation Board for Coal Mining. All required criterias were met for this <br />road. There are no side slopes steeper than I.SH:IV. The road has an average grade of ten percent with a <br />small 70 foot section at I I percent grade. The water control system for the road was designed to safely <br />pass the peak runoff from a 10 year 24 hour precipitation event. <br />[f you have any questions, please give me a call. <br />Sincerely yours, ~R~ n' `a, <br /> <br />LAWSON ASSOCIATES <br />A <br />R <br />DI <br />N <br />H <br />G ~ <br />: <br />.: <br />ot <br />C <br />I1 <br />Yn <br />~ <br />h <br />~ <br />o <br />,~ ~ <br />~j' <br />~~ <br />~ ~ <br />'-~ # <br /> ~ <br />eZ3&q ?: <br />Charles C. Rahn, P.E. ~ •'. ,:• <br />~" <br />+• <br />• <br />Salt Lake City Principal Engineer F„ <br />'"••••'~ <br />S~L'gAl. Ea~~ <br />Engineering antl 755 South 300 west, Swte 103, Salt lake Ciry, Utah 94101 Telephone: (801(363M66 Facsimile: (801) 363-0476 <br />Ernironmental Services <br />