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PUBLISHED BY THE STATE OF COLORADO <br /> Department of Natural Resources <br /> Division of Minerals and Geology <br /> 2002 <br /> For additional copies of this manual please <br /> contact the Division of Minerals and Geology <br /> at 303.866.3567 or by writing <br /> DIVISION OF MINERALS AND GEOLOGY <br /> 1313 SHERMAN ST <br /> RM 215 <br /> DENVER CO 80203 <br /> This manual is also available as a Printable <br /> Document Format(PDF) file on the Internet <br /> at www.mining.state.co.us/bmp.pdf <br />