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Microscopic study of Elkhorn coal bed at Jenkins, Letcher county, Ky.

Carbonizing properties and constitution of Black creek bed coal from Empire mine, Walker county, Ala.

Carbonizing properties and constitution of Chilton bed coal from Boone no. 2 mine, Logan County, W. Va.

Carbonizing properties and constitution of no. 2 gas bed coal from Point Lick no. 4 mine, Kanawha County, W. Va.

Microscopic and petrographic studies of certain American coals,

Carbonizing properties and constitution of Alma bed coal from Spruce River no. 4 mine, Boone County, W. Va.

Origin and petrographic composition of the Lower Sunnyside coal of Utah

Published Year

• 1930-1939 (7) *

Subject

• Carbonization (2)
• Coal--Carbonization (2)
• Coal--Testing (2)
• Microscopy (2)
• Coal--Alabama--Walker County (1)
• Coal--Kentucky--Letcher County (1)
• Coal--United States (1)
• Coal--Utah (1)
• Coal--West Virginia--Boone County (1)
• Coal--West Virginia--Kanawha County (1)
• Coal--West Virginia--Logan County (1)
• Microscopes (1)

Author

• Thiessen, Reinhardt, (7) *
• Fieldner, Arno Carl, (4)
• Kester, Ernest Bowman, (4)
• Davis, Joseph Dana, (3)
• Reynolds, Dewey A., (3)
• Selvig, W. A. (3)
• Sprunk, G. C. (2) *
• Davis, J. D. (1)
• O'Donnell, Hugh J., (1)
• Reynolds, D. A. (1) *
• Selvig, Walter Alfred, (1)
• Sprunk, George C., (1)

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