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Face ventilation for oil shale mining
Performance characteristics of large-capacity face ventilation systems for oil shale mining
Leakage and performance characteristics of large stoppings for room-and-pillar mining
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Published Year
1980-1989 (3)
Subject
Mine ventilation (2)
Oil-shales (2)
Concrete stoppings (Mining)--Airtightness (1)
Author
Agapito, Joseph F. T. (3) *
Thimons, Edward D. (3)
Adam, Marvin E. (2)
Adams, Marv E. (1)
Brechtel, Carl E. (1)
Brechtel, Carl. E. (1)
Brechtel. Carl E. (1)
