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- Use of pulverized rock as dense medium for salvaging coal from Pittsburgh-bed refuse
- Dense-medium pilot-plant performance tests on coal
- Preparation characteristics of coal from Greene County, Pa.
- Preparation characteristics of coal from Allegheny County, Pa.
- Preparation characteristics of coal from Washington County, Pa.
- Using radiant heat to reduce filter-cake moisture in coal preparation
- Preparation characteristics of coal from Marion County, W. Va.
- Preparation characteristics of coal from Butler County, Pa.
- Preparation characteristics of coal from Monongalia County, W. Va.
- Preparation characteristics of coal from Boone County, W. Va.
- Using a centrifuge for float-and-sink testing fine coal
- Preparation characteristics of coal from Preston County, W. Va.
- Using radiant heat to reduce coal filter-cake moisture :results of pilot plant tests
- Preparation characteristics of coal from Harrison County, W. Va.
- Washability characteristics of the lower Hartshorne (Spadra) coalbed near Clarksville, Ark.
- Comparative shortwall and room-and-pillar mining costs