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Automatic derailing switch at Roslyn no. 3 mine, Northwestern Improvement Company, Roslyn, Wash.

Accident experience and cost of accidents at Washington metal mines and quarries

Mining methods of the Holden Mine, Howe Sound Co., Chelan Division, Holden, Wash.

Manganese deposits of the Olympic Peninsula, Wash.

Published Year

• 1930-1939 (2)
• 1940-1949 (1)
• 1960-1969 (1)

Subject

• Mines and mineral resources--Washington (State) (4) *
• Manganese ores--Washington (State) (1)
• Mine accidents (1)
• Mine safety--Washington (State) (1)
• Quarries and quarrying--Washington (State) (1)

Author

• Ash, S. H. (2)
• Kudlich, Rudolf H., (1)
• Magill, E. A. (1)
• Soderberg, R. L. (1)

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