Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 111
107 CONSTRUCTION. terfere with surface drainage. The length he has to haul material is a vital point with the con- tractor. The length of free haul that the con- Fig. 46. RIGHT AND LEFT HAND DUMP CARS. … Fig. 48. ROTARY DUMP CAR. tractor must perform is decided upon in advance, and is known at the time the work is bid upon; a price is also agreed upon for each 100 feet that material is hauled in excess of the free haul.* *The length of free haul is different with different roads, but one thousand…
Railroads · Transportation
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