Information Circular1950 - Mines and mineral resources |
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Results 1-5 of 59
Page
... inspectors Cooperation with Navy Department . Coal Mine Inspection Branch . Introduction ... • • The Advisory Committee . Employment of personnel Training of personnel ... Organization . .. Inspection procedure . Standard procedure for ...
... inspectors Cooperation with Navy Department . Coal Mine Inspection Branch . Introduction ... • • The Advisory Committee . Employment of personnel Training of personnel ... Organization . .. Inspection procedure . Standard procedure for ...
Page 3
... inspectors Cooperation with Navy Department . Coal Mine Inspection Branch .. Introduction ... The Advisory Committee . Employment of personnel . Training of personnel .. Organization ... Inspection procedure Standard procedure for ...
... inspectors Cooperation with Navy Department . Coal Mine Inspection Branch .. Introduction ... The Advisory Committee . Employment of personnel . Training of personnel .. Organization ... Inspection procedure Standard procedure for ...
Page 4
... inspectors employed .. 3. Record of coal - mine inspections and surveys , December 1 , 1941 , to June 30 , 1949 ... 4. Fatal and nonfatal injuries in coal mines in the United States ... 5. Accident statistics covering coal mines in the ...
... inspectors employed .. 3. Record of coal - mine inspections and surveys , December 1 , 1941 , to June 30 , 1949 ... 4. Fatal and nonfatal injuries in coal mines in the United States ... 5. Accident statistics covering coal mines in the ...
Page 5
... inspection program the Bureau continued to discharge the responsibility placed on it by Congress 39 years ago for promotin ... inspectors recommendations , even though many of them went unheeded . A program of con- .. trolling fires in ...
... inspection program the Bureau continued to discharge the responsibility placed on it by Congress 39 years ago for promotin ... inspectors recommendations , even though many of them went unheeded . A program of con- .. trolling fires in ...
Page 9
... Inspection Branch . Petrographic examinations are being made on about 150 thin sections from rock samples collected in ... inspectors and others concerned with the reliability of such instruments as are used in examination of mine ...
... Inspection Branch . Petrographic examinations are being made on about 150 thin sections from rock samples collected in ... inspectors and others concerned with the reliability of such instruments as are used in examination of mine ...
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Common terms and phrases
13 north 37 south anthracite anthracite mines bituminous coal bituminous-coal and lignite blasting blends Bureau of Mines carbon dioxide carbon monoxide cars catalyst cent mines cent circuit coal bed Coal Mine Inspection coal mines coal-mine inspectors coke concentrate conditions and practices cost County cut and fill D.C. Approval drilling dust allaying electric engineers equipment explosions feet Figure fill stoping fire area fiscal year 1949 fuel gas mask gasification Gunnison County haulage high-volatile Highland Surprise holes hydrogen inches installed investigation Joy Manufacturing June 30 lignite lignite mines loading machine main east entry mechanical method mill mineral mines cent mines Mines Information Circular motor operations oxygen Per-No percent Pine Creek Pittsburgh plant Pocahontas portal properties reports respirators rock dust roof support samples seals shaft SHOSHONE COUNTY shrinkage stoping steel surface surface magazine switch synthesis gas tests timber tons Total tunnel Type underground ventilation volts zinc