United States Department of the Interior
Department of the Interior
|Seal of the Department of the Interior|
|Formed||March 3, 1849|
|Annual budget||$10.7 billion (2004)|
|Agency executives||Ryan Zinke, Secretary
David J. Hayes, Deputy Secretary
The United States Department of the Interior (DOI) is a Cabinet department of the United States government that manages and conserves most federally owned land. These responsibilities are different from other countries' Interior Departments or ministries, which tend to focus on police or security.