Continuous randon gas survey of the Twilight Mine /

I tiakina i:
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Kaituhi matua: Franklin, John C.
Kaituhi rangatōpū: United States. Department of the Interior. Bureau of Mines
Ētahi atu kaituhi: Marquardt, Randall F.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: [Washington, D.C.] : U.S. Dept. of the Interior, 1976.
Rangatū:Technical progress report (U.S. Department of the Interior. 93.
Ngā marau:
Mines and mineral resources.
Mineral industries.
Mine ventilation > Experiments.
Mine safety.
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