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Some suggestions as to safety rules to be printed or mimeographed for the guidance of bituminous-coal mine employees

Some aspects of strip mining of bituminous coal in Central and South Central states

Thickness of bituminous-coal and lignite seams at all mines and thickness of overburden at strip mines in the United States in 1955

Thickness of bituminous coal and lignite seams mined in 1960

Recovery percentage of bituminous coal deposits in the United States (in two parts).

Coal recovery from bituminous coal surface mines in the eastern United States :a survey

Relationship of coal seam parameters and airborne respirable dust at longwalls


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