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Abandoned Mine Lands - Columbine Intermix Safety Closures: Mason Mine, Valley View, Engineer Village

Approximately 7 open mine features of inactive and abandoned mines will be closed to protect human health and safety. A recent court case requires that projects to be approved under Categorical Exclusions, such as this one, have notice, comment, and appeal periods. The Decision has been made

Project Summary

Last Updated: 6/26/2012