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- Cleaning tests of central Illinois coal
- Analyses of Illinois coals.
- Analyses of Virginia coals.
- Analyses of Tennessee coals (including Georgia).
- Coal preparation practice in western Germany
- Preparation characteristics of Maryland coals
- Preparation characteristics of anthracites in the Santa River Valley, Peru
- Froth-flotation practice in coal-preparation plants of Western Europe and Great Britain
- Convertol process of coal-slurry treatment