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Progress reports - metallurgical division.
Progress reports -metallurgical division.
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Published Year
1940-1949 (2)
Subject
Ore-dressing (2) *
Metallurgical analysis (1)
Ores--Sampling and estimation (1)
Precious metals (1)
Author
Leaver, Edmund Spriggs, (2)
Towne, A. P. (2) *
Woolf, Jesse A. (2)
