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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
6 results returnedState laws relating to coal-mine timbering
Analyses of Kansas coals / [by the U.S. Bureau of Mines].
Factors and conditions that aid in alinement of pillar extraction lines in coal mining
Blasting practices as they affect the roof of coal mines in Ohio, Pennsylvania, and West Virginia
Published Year
Subject
- Coal--Analysis (3)
- Blasting--Safety measures (1)
- Coal mines and mining (1)
- Coal mines and mining--Pennsylvania (1)
- Coal mines and mining--Safety measures (1)
- Coal--Arkansas (1)
- Coal--Kansas (1)
- Coal--Oklahoma (1)
- Mine timbering (1)
- Mining engineering (1)
- Mining law (1)
Author
- Geyer, John Nicholas, (6) *
- Cooper, Harry Mac, (3)
- Fieldner, Arno Carl, (3)
- Snyder, Ned H. (3)
- Osgood, Fred D. (2)
- Branner, George Casper, (1)
- Cooper, C. L. (1)
- Herbert, Charles Arthur, (1)
- Moore, Raymond C. (1)
- Osgood, F. D. (1)
- Owings, C. W. (1)
- Paul, J. W. (1)
- Plein, Leopold Nicholas, (1)
- Tryon, F. G. (1)
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