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c? <br />adz .?,? «7?-0?? <br />LAFARGE <br />AGGREGATES <br />& CONCRETE <br />February 18`", 2011 <br />Division of Reclamation, Mining, and Safety <br />Attn: Jim Dupler <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RE: Annual Report <br />Dear Jim: <br />R FCFivFn <br />FEB 18 2011 <br />4v Division o7 nec artatwn, <br />Mining and Safety <br />Attached is the geottechnical report to be included with the Spec Agg annual report that <br />was submitted last week. <br />Please give me a call to discuss this if you have any concerns or questions at <br />(303) 657-4321. <br />Cordially, <br />Lafarge North America <br />i <br />Sonia Stephens <br />Project Administrator <br />Enclosures <br />LAFARGE NORTH AMERICA INC. - Western U.S. Region <br />10170 Church Ranch Way, Suite 200 <br />Westminster, CO 80021 <br />Main: (303) 657-4000 <br />www.lafargenorthamerica.com <br />j