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Date: 2013-05-29 10:00:14Chemical elements National Helium Reserve Cryogenics Natural gas United States Bureau of Mines Liquid helium Amarillo Texas Lifting gas Carbon Helium Matter Chemistry | 2007 Minerals Yearbook HELIUMAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source WebsiteFile Size: 61,21 KBShare Document on Facebook |