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| Author | Title | Subject | Date | Publication Type | ||
|---|---|---|---|---|---|---|
| 1 |
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Hannah, Richard Lloyd | Case study of underground coal mining productivity in Utah | Coal mines and mining; Coal miners; Coal trade | 1981-12 | dissertation |
| 2 |
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Brinley, John Ervin | Government and labor: the coal industry, 1946-1947 | Coal trade; Strikes and lockouts; United Mine Workers of America | 1967-07 | thesis |
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