Helium
Subtitle: a vital natural resource
By: by Michael Clark ; with a map of helium occurrences in Wyoming compiled by Rodney H. DeBruin.
Contributors: DeBruin, Rodney H.; Geological Survey of Wyoming.
Series: Public information circular / Geological Survey of Wyoming ;; no. 16; Public information circular (Geological Survey of Wyoming) ;; no. 16.
Publisher: Geological Survey of Wyoming
Published: 1981
Place of publication: Laramie, Wyo
Language: eng
Number of pages: 31
Subjects: Helium -- Wyoming.; Geology -- Wypming.
Notes: Bibliography: p. 28-31.
Folded grid map of Wyoming in pocket inside back cover.