Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 340
ces by the rocks, which came so near thesurface as to necessitate the construction oflocks to float the dredges over them. Nearlythirty islands are utilized for short stretches ofthe construction, the longest being sixteen milesQn Key Largo. More than fifty miles of rockand of earth embankment had… … AN EXPRESS-TRAIN GOING OUT TO SEA OVER THE ARCHED VIADUCT. built, consisting o-f arch spans and piers, or steelbridges resting on concrete piers, some spans ofthe latter being two hundred and forty feet. Thiswas the most difficult part of the work. The wa-ter is from ten to thirty feet deep, and…
Children's literature
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