Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 231
each end ; this drain should be eighteen inches wide and twelve inches deep, with a covering stone to allow the tracks to be filled up between. Where the bed is other thai rock, this ditch should be made by laying a bed stone wide enough for a stone on each side to rest upon it, these forming the… … Stevens Rail, Vicksburg & Jackson Railroad, A. D. 1841. should be used to support the covering stone. All large holes should be filled and carefully packed to a uniform surface, so as to assist the flow of water to the drain and prevent its accumulation in pools. The grade of the track in long…
Railroads · Transportation
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