Helium resources of the United States, 1989
Contributors: Hamak, John E.; United States. Bureau of Mines.
Series: Information circular (United States. Bureau of Mines) -- 9267
Publisher: s.n
Published: 1989
Place of publication: S.l
Language: eng
Number of pages: 14
Subjects: Helium -- United States.
Notes: Bibliogr.

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