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f ~,~ C~NSTRUC' <br />q~A ~~ <br />. 5 P ~I ~ <br />7040 W. Hwy. 160 Alamosa, CO 81101 (719) 589-6671 <br />April 17, 2006 <br />Bob Oswald <br />~ Division of Minerals & Geology <br />~ 701 Camino Del Rio, Room 125 <br />Durango, CO 81301 <br />RE: Del Norte West Valley Pit ~ <br />Permit No. M-2001-069 ,/ <br />~~~~V~d <br />APR ~ 8 2006 / <br />©lv6slo U~`n9o gely <br />n offrfine,~ls $ G o/o9Y <br />~ ~N A S~ r K~GLA an A i-t6r~ f P1~-a , <br />Dear Bob <br />Thank you for your letter of April 13, 2006 concerning our request for a technical <br />revision for the Del Norte West Valley Pit. <br />To answer to your question concerning the gradients on the North, South and East <br />Slopes, there might be some rough in grading to bring the slopes into the final <br />reclamation slops. Also there is some stored material that is up against some of the <br />slopes which will need to be moved to bring the slopes into grade <br />If you need any further assistance, please advice. <br />Sincerely, <br />Asphalt Constructors, Inc. <br />Edward J. Roberts <br />Secretary/Controller <br />Equal Opportunity Employer <br />