Not known Facts About Ballard Locks of Seattle

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Mounting seventy five toes earlier mentioned the trestle, the steel gantries spanned the complete workspace; Just about every held two movable cars and trucks, or trolleys, able to move 5 a great deal of materials apiece. While using the gantries, crews could quickly shift hefty masses, notably concrete, to any http://knoxfevld.ezblogz.com/30343671/ballard-locks-of-seattle-fundamentals-explained


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