Search U.S. government technical reports digitized or harvested by TRAIL.
Possible hazards attending the use of engines operated on butane fuel in mining and tunneling
Observations on the use of a diesel freight locomotive through a railway tunnel
Determination of carbon monoxide by absorption in the Haldane-type gas-analysis apparatus
Laboratory equipment for the analysis of mine atmospheres
Sampling and determination of aldehydes in diesel-engine exhaust gas and in mine air