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Gypsum and anhydrite

Production, employment, and output per man in gypsum mining

Published Year

• 1930-1939 (1)
• 1940-1949 (1)

Subject

• Gypsum--United States (2) *
• Anhydrite--United States (1)
• Gypsum industry--United States (1)
• Gypsum mines and mining--United States (1)

Author

• Moyer, Forrest Theodore, (1)
• Newcomb, Robinson, (1)
• Peterson, Knute. (1)

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