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Directions for laboratory mineral sizing

Mineral dressing of Oregon beach sands.

A simple reliable ether alarm

Published Year

• 1940-1949 (2)
• 1950-1959 (1)

Subject

• Ore-dressing (1)
• Sand--Oregon--Analysis (1)
• Survival and emergency equipment (1)

Author

• Dasher, John. (3) *
• Fraas, Foster. (1)
• Gabriel, Alton. (1)
• Haney, Donald W. (1)

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