Montana Department of Environmental Quality About Us Permitting & Operator Assistance Public Participation


Mining Program Overview

The pages in this section inform you about Mining Programs at Montana DEQ.

The Montana Abandoned Mine Lands Program (AML) is responsible for monitoring and reclamation of Montana’s abandoned coal and hard rock mines abandoned prior to 1977. Visit the AML page for more information about how to access historical mine narratives.

  Abandoned Mine Lands

Mining Contacts

Physical Address
1520 E 6th Avenue
Helena, MT 59601

Mailing Address
P.O. Box 200901
Helena, MT 59620


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