Commodity Code
coal bed methane
http://resource.geosciml.org/classifier/cgi/commodity-code/coal-bed-methane
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definition | Coal bed methane (CBM) or coal seam gas (CSG) is a form of natural gas extracted from coal beds. Coal bed methane contains very little heavier hydrocarbons such as propane or butane, and no natural-gas condensate. It often contains up to a few percent carbon dioxide. |  |
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source | http://en.wikipedia.org/wiki/Coal_bed_methane | |
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is primary topic of | coal bed methane& properties=type | |||||