United States Department of the Interior
Seal of the U.S. Department of the Interior
Flag of the U.S. Department of the Interior
Main Interior Building
|Formed||March 3, 1849|
1849 C Street
Washington, D.C., U.S.
|Annual budget||$20.7 billion (2013)|
The United States Department of the Interior (DOI) is the
The department is administered by the
Despite its name, the Department of the Interior has a different role from that of the
The Department of the Interior has often been humorously called "The Department of Everything Else" because of its broad range of responsibilities.
A department for domestic concern was first considered by the
In 1849, Walker stated in his annual report that several federal offices were placed in departments with which they had little to do. He noted that the
Many of the domestic concerns the department originally dealt with were gradually transferred to other departments. For example, the Department of Interior was responsible for water pollution control prior to the creation of the EPA. Other agencies became separate departments, such as the
As of mid-2004, the department managed 507 million acres (2,050,000 km²) of surface land, or about one-fifth of the land in the United States. It manages 476 dams and 348