Author: | Jackson, Charles Freeman |
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Year: | 1932 |
Document Type: | N/A |
SUDOC: | C 22.3:356 |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 356 |
Subject: | Ores -- Sampling and estimation. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38777/ |