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Date: 2007-08-31 11:00:01Chemical elements Geography of Texas National Helium Reserve Natural gas Lifting gas United States Bureau of Mines Amarillo Texas Carbon Cryogenics Helium Matter Chemistry | Helium By Norbert Pacheco1 Sales of Grade-A helium[removed]% or greater purity) byAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source WebsiteFile Size: 554,61 KBShare Document on Facebook |