This invention relates to a method for {TAIL ~ the storage} of hydrogen in {HEAD ~ subterranean carbonaceous formations} and, more particularly, to the storage of hydrogen in coal beds which have been at least partially depleted of methane 
This invention relates to a method for { TAIL ~ the storage } of hydrogen in { HEAD ~ subterranean carbonaceous formations } and , more particularly , to the storage of hydrogen in coal beds which have been at least partially depleted of methane
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