must be a good reason they blasted out that train track lower than the area around it... maybe just for solid rock footing instead of loose shale? I think I found this on http://rollerman1.tumblr.com/
Oh! Right! Keeping the grade as level as possible would be the reason.... heavy loads wouldn't get up even slight hills very well. Thanks John! I missed the obvious
They needed to controle the gradient.
ReplyDeleteOh! Right! Keeping the grade as level as possible would be the reason.... heavy loads wouldn't get up even slight hills very well. Thanks John! I missed the obvious
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