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Carbonizing properties and petrographic composition of washed and unwashed Lower and Upper Kittanning-bed coals from mines 72 and 73, Johnstown, Cambria County, Pa.

Preparation characteristics of coal occurring in Cambria County, Pa.

Carbonizing properties of Cambria County, Pa., coals

Published Year

• 1930-1939 (1)
• 1950-1959 (2)

Subject

• Coal--Pennsylvania--Cambria County (3) *
• Carbonization (1)
• Coal--Carbonization (1)
• Coal--Testing (1)

Author

• Birge, George W. (1)
• Crentz, W. L. (1)
• Davis, J. D. (1)
• Fieldner, Arno Carl, (1)
• Holmes, C. R. (1)
• Naugle, Bruce W. (1)
• Reynolds, D. A. (1)
• Selvig, W. A. (1)
• Steele, Fern. (1)
• Thiessen, R. (1)
• Wolfson, D. E. (1)

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