Chicago : Engineering and Contracting Pub. Co. · leaf 530
. 1—Driving Light Corrugated SteelSheeting with 650-lb. Steam Hammer,Steadied by Hand. tween them and the cofferdam are completed,water will be let into the space south of thelocks and the cofferdam will be removed bydredges. This is the last barrier betweenthe locks and the Pacific. Status of… … 516 ENGINEERING & CONTRACTING Vol. XXXVI. No. 20. ROADS AND STREETS SECTION Experimental Road Work of the NewYork State Highway Com-mission in 1910. During the season of 1910 the New YorkState Highway Commission continued its ex-perimental road work begun in 1909. (SeeEngineering &…
Buildings
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