National Helium Reserve

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111	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2007-01-17 13:41:56 Chemical elements National Helium Reserve Natural gas Carbon Helium-3 Hugoton Natural Gas Area Matter Chemistry Helium
112	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2006-01-18 13:53:16 National Helium Reserve Physics Natural gas Helium-3 Helium Matter Chemistry
113	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2004-01-13 10:00:40 Chemical elements National Helium Reserve Natural gas Carbon Helium-3 Noble gas Matter Chemistry Helium
114	PDF Document Add to Reading List Source URL: edocket.access.gpo.gov Language: English National Helium Reserve Chemistry Amarillo Texas Bureau of Land Management Helium Matter Geography of Texas