We have 2 objects that United States Department of the Interior, National Park Service has been involved with.

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<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/people/18051513/ |title=United States Department of the Interior, National Park Service |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=29 September 2022 |publisher=Smithsonian Institution}}</ref>