DEPARTMENT OF THE INTERIOR

a department of the United States government created in 1849, and headed by the Secretary of the Interior. This department is charged with the conservation and development of the nation's natural resources, wildlife, water, fishes, etc. It oversees maintenance of the national parks, preservation of historical landmarks, and welfare of Native American reservations. In addition, it also administers programs for American Indians and for the overseas possessions and territories of the US. Also called Interior Department.