Colorado Mining & Minerals

BLM Colorado Mining and Minerals

The BLM Colorado solid minerals program consists of locatable minerals, solid leasable minerals, and mineral materials.

Colorado's Locatable Minerals program has 10,380 active mining claims, 31 authorized mining plans of operations, and 33 authorized exploration notices for gold, silver, uranium, and other uncommon minerals.

Federal Unpatented Mining Claims or Sites are located to extract federally owned locatable minerals. The surface management agency is different depending on the location of the mineral deposit.   

Colorado's Non-Energy Leasable Mineral Materials program has eight sodium leases and one oil shale research, development and demonstration lease. Colorado's Salable Mineral Materials program produced 346,406 cubic yards of mineral materials such as sand, gravel, and stone with a value of $370,856 in fiscal year 2015.

Colorado statewide mining information

Voluntary Plan of operations

Voluntary Notice of Intent to Operate

For information about mining in a specific Colorado field office, please click on the tabs below.


The 2023 Assessment Year ends September 1st, 2023

National Links

Colorado Links


Research Tools

Additional Resources

Contact Us

Bureau of Land Management
Colorado State Office

Denver Federal Center- Bldg.1A
Lakewood, Colorado 80215
Hours: 8:30 a.m. – 4:00 p.m. M-F

Our office has moved!

Please note, the Colorado State Office mailing address has changed to:

P.O. Box 151029
Lakewood, Colorado 80215

Mining Claims Information:


Andy Senti Public Lands Information Center
(Public Room, general inquires, land status records, maps)
Telephone: 303-239-3600

Colorado State Office Dockets Library
(case file copies, patent requests)
Telephone: 303-239-3615