Smithsonian Institution

Smithsonian Institution salaries and expenses The appropriation under this head in the Independent Offices Appropriation Act, 1952, shall be available for the repair, alteration, improvement, preservation, and equipment of leased premises, and the construction of auxiliary and appurtenant temporary structures, ramps, roadways, and approaches thereto, at the Chicago International Airport, O’Hare Field, Park Ridge, Illinois, to house the National Air Museum storage collections.