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Anthracite mechanical mining investigations.
Some roof-control practices in coal mines of the United Kingdom
Anthracite mechanical mining investigations.
Anthracite mechanical mining investigations.
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Published Year
1950-1959 (4) *
Subject
Coal-mining machinery (3)
Anthracite coal industry--Equipment and supplies (2)
Mining machinery--Cutter bars--Testing (2)
Anthracite coal industry (1)
Coal mines and mining--Great Britain--Safety measures (1)
Mine roof control--Great Britain (1)
Author
Buch, John W. (4) *
Allan, Andrew. (3)
Davies, Russell S. (1)
Hartley, John C. (1)
Landsidle, Clayton A. (1)
