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- Rock-dusting in coal mines of the State of Washington
- Automatic derailing switch at Roslyn no. 3 mine, Northwestern Improvement Company, Roslyn, Wash.
- Electrical blasting practice as some coal mines in state of Washington
- Safety committees in the coal mines of the state of Washington
- An automatic electric man-hoist for slopes or inclines
- Systematic timbering rules at the Washington coal mines
- Falls of roof and coal in Washington mines
- Accident prevention at the New Black Diamond Coal Mine, Washington
- Safety practices in tunneling operations at the Hetch Hetchy Water-supply Project, City and County of San Francisco, Calif.
- Explosives accidents in California metal mines
- Accident experience and cost in California metal mines
- Some factors affecting an accident-prevention program in metal mining in California
- Water problem in the Pennsylvania anthracite mining region
- Use of diesel engines in tunnels
- Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention of subsidence
- Analyses of Complex Mixtures of Gases: Application to Control and Extinguish Fires and to Prevent Explosions in Mines, Tunnels, and Hazardous Industrial Processes