The Bureau of Land Management (BLM) has confirmed that the sale of the Helium System provided the US Treasury with $460m.
Industrial gas firm Messer successfully closed on its purchase of the Federal Helium System in June.
The Helium System includes helium stored in the caverns in Amarillo, Texas; the Cliffside Field, wells, and gathering system; a 423-mile-long crude helium pipeline; and additional operational assets.
Read more: Messer finalises purchase of Federal Helium Reserve