High Quality Content by WIKIPEDIA articles! The National Helium Reserve, also known as the Federal Helium Reserve, is a strategic reserve of the United States holding over a billion cubic feet of helium gas. The helium is stored at the Cliffside Storage Facility about 12 miles (19 km) northwest of Amarillo, Texas in a natural geologic gas storage formation. The reserve was established in 1925 as a strategic supply of gas for airships, and in the 1950s became an important source of coolant during the Space Race and Cold War. The facilities were located to be close to the Hugoton and other natural gas fields in southwest Kansas and the panhandles of Texas and Oklahoma. The natural gas in these fields contains unusually high percentages of helium, from 0.3% to 2.7%, and constitute the largest source of helium in the United States. The helium is separated as a byproduct from the produced natural gas.

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