Author: | Frazer, J. C. W. |
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Year: | 1912 |
Document Type: | N/A |
SUDOC: | I 28.7:5 |
Series: | United States Bureau of Mines Reports |
Report Number: | Techical Paper 5 |
Subjects: | Chemistry. |
Coal -- Analysis. | |
Coal mines and mining. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc66412/ |