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Milling methods in the tri-state zinc district

Zinc used for roofing

Progress in use of 1-inch steel in the Tristate lead and zinc district

Published Year

• 1920-1929 (3) *

Subject

• Zinc (3) *
• Lead (1)
• Ore-dressing (1)
• Roofing (1)
• Roofing--Research--United States (1)
• Steel (1)
• Zinc mines and mining (1)
• Zinc--Metallurgy (1)
• Zinc--Research (1)

Author

• Anderson, Carl Otto, (1)
• Coghill, Will H. (1)
• Forbes, C. R. (1)
• Van Barneveld, Charles Edwin, (1)

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