Directions for sampling coal for shipment or delivery / by George S. Pope.
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| Main Author: | |
|---|---|
| Corporate Author: | |
| Other title: | Sampling coal for shipment or delivery. |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1917.
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| Series: | Technical paper (United States. Bureau of Mines) ;
133. |
| Subjects: |