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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
6 results returnedPublished Year
Subject
- Coal--Analysis (6) *
- Coal mines and mining--Iowa (1)
- Coal--Alabama (1)
- Coal--Indiana (1)
- Coal--Kansas (1)
- Coal--Missouri (1)
- Coal--Oklahoma (1)
Author
- Fieldner, Arno Carl, (6)
- Osgood, Fred D. (6) *
- Cooper, Harry Mac, (5)
- Snyder, Ned H. (5)
- Geyer, John Nicholas, (2)
- Herbert, Charles Arthur, (2)
- Butts, Charles, (1)
- Cooper, C. L. (1)
- Forbes, John J. V. (1)
- Logan, William Newton, (1)
- Moore, Raymond C. (1)
- Owings, C. W. (1)
- Plein, Leopold Nicholas, (1)
- Rice, George S. (1)
- Thom, W. T. (1)
- Tryon, F. G. (1)
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