Yazar
Robert J Timko
10 cilt bulundu.
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
16 sayfa · 1986
Coal mines and mining / Mine gases / Mine shafts / Mine ventilation / Safety measures
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
15 sayfa · 1983
Airtightness / Concrete stoppings (Mining)
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
11 sayfa · 1986
Mining machinery / Water jet cutting
Robert J Timko · U.S. Dept. of the Interior, Bureau of Mines
18 sayfa · 1995
Combustion, Spontaneous / Measurement / Mine fires / Mine gases / Prevention and control
Robert J. Timko · Bureau of Mines, U.S. Dept. of the Interior
23 sayfa · 1991
Analysis / Coal mines and mining / Colorado / Combustion gases / Mine fires
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
18 sayfa · 1985
Mine ventilation / Sealing compounds / Testing / Urethane foam
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
18 sayfa · 1982
Equipment and supplies / Measurement / Mine dusts / Testing
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
14 sayfa · 1986
Mine roof control / Trona mines and mining
Robert J. Timko · U.S. Dept. of the Interior, Bureau of Mines
15 sayfa · 1982
Mine ventilation / Sulphur hexafluoride / Tracers (Chemistry) / Sulfur hexafluoride
Robert J. Timko · U.S. Dept. of the Interior
24 sayfa · 1983
Concrete construction / Concrete stoppings (Mining) / Design and construction / Mine ventilation