Author: | O'Harra, B. Marvel |
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Year: | 1923 |
Document Type: | N/A |
SUDOC: | I 28.3:208 |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 208 |
Subject: | Zinc -- Metallurgy. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38755/ |