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Quarrying and crushing methods and costs at the Santa Catalina Island quarry of Graham Bros., Inc., Santa Catalina Island, Calif.

Method and cost of quarrying limestone at the plant of the Calaveras Cement Co., San Andreas, Calif.

Accident experience and cost in California metal mines

Published Year

• 1930-1939 (3)

Subject

• Quarries and quarrying--California (3) *
• Quarries and quarrying--California--Cost of operation (2)
• Limestone--California (1)
• Mine accidents (1)
• Mines and mineral resources--California (1)

Author

• Ash, S. H. (1)
• Roalfe, George Adams. (1)
• Townsend, Robert H. (1)

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