20 U.S.C. § 59: Collections of National Ocean Survey, United States Geological Survey, and others deposited in National Museum

All collections of rocks, minerals, soils, fossils, and objects of natural history, archaeology, and ethnology, made by the National Ocean Survey, the United States Geological Survey, or by any other parties for the Government of the United States, when no longer needed for investigations in progress shall be deposited in the National Museum.