Colorado Abandoned Mine Lands Program
The Colorado Abandoned Mine Lands (AML) program has inventoried more than 2,800 hard rock abandoned mines with over 10,000 hazardous openings on public lands administered by the BLM.
AML Projects
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Government Shutdown
Because of the federal government shutdown, blm.gov is not being updated and the agency will not be able to respond to inquiries until appropriations are enacted. For more information please visit: www.doi.gov/shutdown