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- catalog contributor b11993975.
- catalog created "1924.".
- catalog date "1924".
- catalog date "1924.".
- catalog dateCopyrighted "1924.".
- catalog extent "35 p. ;".
- catalog issued "1924".
- catalog issued "1924.".
- catalog language "eng".
- catalog publisher "Washington [D.C.] : G.P.O.,".
- catalog subject "Helium.".
- catalog subject "TP245.H4 U55 1924".
- catalog title "Conservation of helium gas : hearings before the Committee on Military Affairs, House of Representatives, Sixty-eighth Congress, first session, on H.R. 5722 : a bill authorizing the conservation, production, and exploitation of helium gas, a mineral resource pertaining to the national defense, and to the development of commercial aeronautics, and for other purposes : Thursday, March 20, 1924.".
- catalog type "text".