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Resume of work of the nonmetals division :calendar year 1936

Report of the nonmetals division, fiscal year 1941

Published Year

• 1930-1939 (1)
• 1940-1949 (1)

Subject

• Nonmetallic minerals (2)
• Nonmetals (2) *

Author

• Ralston, Oliver C. (2)
• Stern, A. George. (2) *

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