Department of the Interior

The U.S. Department of the Interior (DOI) manages and conserves federal land.  It is an executive department of the federal government.  The DOI is concerned with the nation’s development and the welfare of its people.  Its wide responsibilities range from constructing water systems in the nation’s capital to managing hospitals and universities, managing public parks and regulating territorial governments.

The U.S Secretary of the Interior heads the DOI.

Some of the bureaus operating within the DOI are:

  • Bureau of Indian Affairs
  • Bureau of Land Management
  • Bureau of Reclamation
  • Federal Executive Boards
  • Interior Museum
  • Minerals Management Service
  • National Park Service
  • Office of Insular Affairs
  • Office of Surface Mining
  • United States Fish and Wildlife Service
  • United States Geological Survey

Department of Interior’s website


Inside Department of the Interior