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- Underground transportation of coal :Progress report 1
- Underground transportation of coal :progress report [No.] 2
- Multiple-shift mechanical mining in some bituminous-coal mines.
- An analysis of the use of electricity at coal mines.
- Breaking coal with airdox
- Two devices to prevent electric arcs with airdox operations in coal mines
- Mechanical mining in some bituminous-coal mines.
- A study of stray electric currents in airdox systems in coal mines