San Francisco : Architect and Engineer, Inc · leaf 128
ther on Ameri-can territory opposite Cornwall with two locks to by-pass the main dam and powerhouses. The St. Lawrence Seaway Authority is building thelock and canal at Iroquois, and the Saint LawrenceSeaway Development Corporation is building the ca-nal and two locks (one at Grass River and the… … The concrete legs for San Franciscos new Em-barcadero Freeway are being built with the heavieststeel reinforcing bars ever used in overhead highwayconstruction in Californias ever expanding StateHighway system. To strengthen the concrete piers and girders of thisnew portion of highway, more than a…
Architecture · Building
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