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Development of a hydraulic device for measuring relative pressure changes in coal during mining :a progress report
| Author: | Miller, Thomas C. |
|---|---|
| Additional Authors: | Sporcic, Rudolph. |
| Year: | 1964 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:6571 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 6571 |
| Subjects: | Pressure gages |
| Coal mines and mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015078519041 |
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