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Interior Department

The Department of the Interior protects and provides access to our Nation's natural and cultural heritage and honors our trust responsibilities to tribes and our commitments to island communities. The Department of the Interior was created by act of March 3, 1849 (43 U.S.C. 1451), which transferred to it the General Land Office, the Office of Indian Affairs, the Pension Office, and the Patent Office. It was reorganized by Reorganization Plan No. 3 of 1950, as amended (5 U.S.C. app.).
The Department manages the Nation's public lands and minerals, national parks, national wildlife refuges, and western water resources and upholds Federal trust responsibilities to Indian tribes and Alaskan natives. It is also responsible for migratory wildlife conservation; historic preservation; endangered species conservation; surface-mined lands protection and restoration; mapping geological, hydrological, and biological science for the Nation; and for financial and technical assistance for the insular areas.

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