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[*NW, TETRA TECH <br />January 29, 2010 <br />Mr. Jim Dupler <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman St, Room 215 <br />Denver, CO 80203 <br />Re: Aggregate Industries - WCR Inc., Morrison Quarry, MLRB Permit M 1973-021, <br />2009 Annual Report <br />Dear Mr. Dupler: <br />This report presents the 2009 Annual Report activities for the above-referenced Permit. Activities in 2009 <br />• The area disturbed in 2009 totaled 21.5 acres. <br />• The area reclaimed and partially reclaimed in 2009 was 16.7 acres. <br />• The area anticipated to be disturbed in 2009 is 9.2 acres. This disturbance is related to continued mining, <br />overburden stripping activity and mine development in the expanded Quarry area defined in the Fifth <br />Amendment to Permit M 1973-021. <br />• The area anticipated to be partially reclaimed in 2009 is 4 acres. The reclamation is anticipated to include <br />partial infill of stripped material in the Central Quarry. <br />• This quarry operates year round. <br />The annual report maps and geotechnical addendum are attached. <br />Permittee contact information is: <br />Permittee Contact: Michael C. Refer <br />Permittee Name: Aggregate Industries - WCR, Inc. <br />Address: 1707 Cole Blvd, Suite 100 <br />Golden, CO 80401 <br />Phone: (303) 985 - 1070 <br />Fax: (303) 716 - 5299 <br />If you have any questions, please contact me at (303) 772-5282. <br />Sincerely, <br />TETRA TEC <br />Gary Linden, R.G. <br />Project Manager <br />Attachments: Annual report maps (4) <br />Geotechnical addendum <br />1900 S. Sunset Street, Suite I-F Longmont, CO <br />Tel 303.772.5282 Fax 303.772.7039 www.tetrate <br />P:\23514\1 3 3-2 3 5 1 4-1 0003\Deliverables\De1iv-0l-Annual Report\Cover letter 2009 Mining Repor.doc