Pub. L. 90-112, tit. III, under "Construction, National Capital Airports"
Construction, National Capital Airports
Construction, National Capital Airports For necessary expenses for construction at the federally owned civil airports in the vicinity of the District of Columbia, $160,000, to remain available until expended: Provided, That the unexpended balances of the appropriations for “Construction, Dulles International Airport” and “Construction, Washington National Airport” shall be merged with this appropriation.