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Publication Extents

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Baked shale and slag formed by the burning of coal beds
G. Sherburne Rogers
1918, Professional Paper 108-A
The baking and reddening of large masses of strata caused by the burning of coal beds is a striking feature of the landscape in most of the great western coal-bearing areas. The general character and broader effects of the burning have been described by many writers, but the fact that...