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Kohle
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keywords:(Kohle)
57 1/2-ton hopper bottom gondola for C. and O
100-ton gondola car with four-wheel trucks
3000 hp coal-fired pusher boat studied for secondary coal transportation
Accidents at coal face and their prevention
A discussion of the methods used in designing the C.M. and St. P. Gondola
Aerial tramway is transportation link at Pond Creek