, it has been a matter of lateral tunnels were constructed with 13-inch bottoms the rail. A special construction for the tunnel work regret that so little has been made known as to the and 10-inch walls of concrete. The trunk system tun- nels were built with 21-inch bottoms and 18-inch walls.… … low, and the cars were ers of the fleet, and the then emptied into these. disablement of one of the The platforms could be battleships and three of raised and lowered as re- the cruisers by shot holes quired, so as not to inter- Selow the waterline. From that time to the fere with the river…
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