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oiaraao Consultants.) <br />Geotechnical I Envimnmenul EnQineerinQ • Ma[eriala TertinQ <br />Mazch 10, 2000 <br />Twentymile Coal Company <br />29515 RCR N27 <br />Oak Creek, CO 80467 <br />Attn: Mr. Rick Mills <br />]ob Number 99004 <br />Subject: Additional Gravel Section <br />Recommendations, Fish Creek Borehole <br />Access Road, Foidel Creek Mine, Routt <br />County, Colorado. <br />Gentlemen: <br />As requested, NWCC, Inc. has prepazed this letter outlining additional gravel section recommendations <br />for the resurfacing of the Fish Creek Borehole Access Road. Our firm previously prepazed a report <br />outlining gravel section recommendations for this roadway under this jab number and dated Mazch 9, <br />2000. <br />In the previous report, we rewmmended [hat an additional 6 inches of pit run gravels and 2 inches of <br />Class VI base course be placed over the existing gravel surface. If the client chooses, the new gravel <br />section may consist of 4 inches of pit run gravels and 3 inches of base course. <br />If you have any ques}4ons concerning this letter or our recotnntendations, please contact this office. <br />Sincerely, <br />.u~ eN"" °. rF% TF <br />':i <br />25750 <br />Brian D. Ixn P. ~~- ,~ <br />~SS~ONAL E~\ <br />~~. <br />iR 3 S <br />APPROVED APR 1 4 2000 <br />(970) 879.7888 • Fex (970) 879.7891 <br />2063 Snow Bowl Plaza, P.O. Box 775226 • Steamboat Springs, CO 80477 <br />