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USPS TRACKING - <br /> 4 . �s � 4 F. First-Class Mail <br /> Postage&Fees Paid <br /> USPS <br /> Penis No.G-10 <br /> 9590 9402 2543 6306 1129 13 <br /> United States I •Sender:Please print your name,address,and ZIP+4®in this box• <br /> Postal Service State of Colorado <br /> Department of Natural Resources <br /> Division of Reclamation, Mining&Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver,CO 80203 Spec <br /> File M-2403 <br /> 003 <br />