The Helium Act of 1925, 50 USC § 161, is a United States statute drafted for the purpose of conservation, exploration, and procurement of helium gas. The Act of Congress authorized the condemnation, lease, or purchase of acquired lands bearing the potential of producing helium gas. It banned the export of helium, for which the US was the only important source, thus forcing foreign airships to use hydrogen lift gas. The Act empowered the United States Department of the Interior and United States Bureau of Mines with the jurisdiction for the experimentation, production, repurification, and research of the lighter than air gas. The Title 50 codified law provided the authority for the creation of the National Helium Reserve.