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- Mobile diesel-powered equipment for noncoal mines approved by the Bureau of Mines, 1951-62
- Determination of oxides of nitrogen in diesel exhaust gas by a modified Saltzman method
- Mobile diesel-powered transportation equipment for gassy noncoal mines and tunnels approved by the Bureau of Mines, 1961-66
- Mobile diesel-powered equipment for nongassy noncoal mines and tunnels approved by the Bureau of Mines, 1951-66