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10 <br />vii. Mine Drainage - <br />Both underground mine drainage and disturbed area surface runoff aze occurring at the <br />South Mine area. These mine drainage sources currently report to treatment ponds and <br />systems. If left unmaintained, these treatment systems may breach, resulting in untreated <br />mine drainage reaching offsite areas, including the Colorado River. <br />IV. Summary <br />The Powderhorn Coal Company, Roadside Mine exhibits numerous hazards to the people and <br />environment of Colorado. These hazards will remain unabated if reclamation does not occur. <br />V. Qualifications <br />David Berry <br />Coal Program Supervisor <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Professional Experience <br />December 1999 -Present: Coal Program Supervisor -Supervises the Colorado Coal Mine <br />Regulatory Program <br />May 1991 -November 1999: Senior Environmental Protection Specialist (Coal Program). <br />Managed a team of coal mine permitting and inspection staff. Trained employees in aeeas of <br />