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• Mine Power Systems
  1/1/1990 - Information Circulars
  This U.S. Bureau of Mines publication presents a comprehensive review of mine electrical power-system theory and practice. It discusses fundamental theory and the vital aspects to be considered in planning and designing mine electrical power systems.
• Protection Against Lightning At Surface And Underground Mining Plants
  4/1/1948 - Information Circulars
  The necessity for protection against the hazards of lightning manifests itself from time to time in the mining industry by reason of loss of life, damage to electrical equipment, fires in surface structures at mines, and accidents in the handling and us...