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Search U.S. government technical reports digitized or harvested by TRAIL.
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7 results returnedAnalyses of Kansas coals / [by the U.S. Bureau of Mines].
A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district
A study of mine roof of the coking district of Western Pennsylvania
Statistical analysis of the progress in mechanical cleaning of bituminous coal from 1927 to 1934
Published Year
Subject
- Coal mines and mining--Pennsylvania (3)
- Coal--Analysis (3)
- Bituminous coal (1)
- Coal mines and mining--Ohio (1)
- Coal mines and mining--West Virginia (1)
- Coal preparation (1)
- Coal--Kansas (1)
- Coal--Montana (1)
- Coal--Wyoming (1)
- Coke--Pennsylvania (1)
- Industrial accidents--Pennsylvania (1)
- Mine safety--Pennsylvania (1)
- Mine timbering (1)
- Mining engineering (1)
Author
- Plein, Leopold Nicholas, (7) *
- Paul, J. W. (3)
- Snyder, Ned H. (3)
- Tryon, F. G. (3)
- Dobbin, C. E. (2)
- Owings, C. W. (2)
- Cooper, Harry Mac, (1)
- Denny, Edward H. (1)
- Fieldner, Arno Carl, (1) *
- Geyer, John Nicholas, (1)
- Herbert, Charles Arthur, (1)
- Moore, Raymond C. (1)
- Osgood, Fred D. (1)
- Reeder, R. D. (1)
- Young, William Harvey, (1)
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