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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
4 results returnedPublished Year
Subject
- Coal--Analysis (3)
- Bituminous coal--Pennsylvania (1)
- Coal mines and mining--Tennessee (1)
- Coal--Illinois (1)
- Coal--Tennessee (1)
- Coal--Virginia (1)
Author
- Snyder, Ned H. (4)
- Swingle, Robert Johnston, (4) *
- Abernethy, Roy Franklin, (3)
- Anderson, Robert L. (3)
- Cooper, Harry Mac, (3)
- Fieldner, Arno Carl, (3) *
- Fraser, Thomas, (3)
- Tarpley, Edward C. (3)
- Bell, C. H. (2)
- Crentz, William L. (2)
- Toenges, Albert L. (2)
- Cady, Gilbert H. (1)
- Campbell, Marius Robinson, (1)
- Eby, J. Brian (1)
- Maize, Earl R. (1)
- McBride, John Wesley. (1)
- Nelson, Wilbur Armistead, (1)
- Toenges, Albert Louis, (1)
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