Horizon mining for coal winning is more suitable where:
A. The coal seams are horizontal.
B. The coal seams are highly disturbed.
C. The coal seams are slightly dipping.
D. The coal seams are found above the earth’s surface.
Answer:D
Horizon mining for coal winning is more suitable where:
A. The coal seams are horizontal. B. The coal seams are highly disturbed. C. The coal seams are slightly dipping. D. The coal seams are found above the earth’s surface.