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Methane emission from U.S. coal mines in 1973
M. C. Irani · Dept. of the Interior, Bureau of Mines
47 sayfa · 1974
Coal mines and mining / Mine gases
Calamity Hollow Mine Fire Project
M. C. Irani · U.S. Dept. of the Interior, Bureau of Mines
Sayfa sayısı yok · 1983
Fires and fire prevention / Calamity Hollow Mine Fire Project / Abandoned coal mines
Mineral materials for chemical manufacturing
M. C. Irani · U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt, Print. Off.
86 sayfa · 1970
Chemical industry / Mines and mineral resources
Methane analyzer system to record continuously the methane content of coal mine ventilation air
M. C. Irani · U.S. Bureau of Mines
14 sayfa · 1975
Analysis / Coal mines and mining / Methane / Mine ventilation / Safety measures