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A study of stray electric currents in airdox systems in coal mines

Major disasters at metal and nonmetal mines and quarries in the United States (excluding coal mines)

Safe electrical practices in two Arizona open-pit mines

Published Year

• 1940-1949 (3)

Subject

• Coal mines and mining--Electric equipment (1)
• Coal mines and mining--Equipment and supplies (1)
• Coal mines and mining--Safety measures (1)
• Compressed air (1)
• Copper mines and mining--Arizona--Safety measures (1)
• Mine accidents--United States (1)
• Strip mining--Arizona--Safety measures (1)

Author

• Hyvarinen, John. (3) *
• Brown, C. L. (1)
• Gallagher, F. J. (1)
• Johnson, Leland H. (1)
• Kennedy, D. O. (1)

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