Category:George J. Young
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professor of mining and metallurgy | |||||
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Date of birth | 1876 San Francisco | ||||
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Media in category "George J. Young"
The following 2 files are in this category, out of 2 total.
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Fires in metalliferous mines (IA firesinmetallife00youn).pdf 1,341 × 2,193, 24 pages; 1.65 MB
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Slime-filtration (IA slimefiltration00younrich).pdf 795 × 1,322, 46 pages; 2.79 MB