An explanation of washability curves for the interpretation of float-and-sink data on coal /
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
United States, Dept. of the Interior, Bureau of Mines,
[1938]
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| Series: | Information circular (United States. Bureau of Mines)
7045 |
| Subjects: |