Influence of borehole freespace on ignition of firedamp by explosives / by R.L. Grant[and others]
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| Online Access: |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1959.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
5486. |
| Subjects: |
| Physical Description: | ii, 21 pages : illustrations ; 28 cm. |
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