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Definition of Department of the interior
1. Noun. The United States federal department charged with conservation and the development of natural resources; created in 1849.
Exact synonyms: Doi, Interior, Interior Department
Generic synonyms: Executive Department
Terms within: Fws, United States Fish And Wildlife Service, Us Fish And Wildlife Service, National Park Service
Generic synonyms: Executive Department
Terms within: Fws, United States Fish And Wildlife Service, Us Fish And Wildlife Service, National Park Service