What is the Bureau of Land Management?
The Bureau of Land Management (BLM) is a federal office under the US Department of Interior. The BLM manages and conserves public land. Along with managing national monuments / trails / etc, defending against fires on public land and protecting wild horses, the BLM manages a variety of mine types for developing public land such as energy, grazing, and recreation.
To see the regions and mines managed by each BLM office, browse mines by BLM Administrative District. To learn more about these districts, read Understanding BLM Administrative Areas.