Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 257
be 12 feet wide on top, with natural slopes. The outer ends of the finished jetties were to be in 30 feet of water and 7,000 feet apart. The general lines of the gabionade and mattress jetties were to be fol- lowed. Excepting near the shore end of the south jetty — where the wall consisted… … Fig. 7. The Extreme End of South Jetty in 1893. Pile Driver and Car Derrick at Work. not less than ten tons, nor more than fifteen tons at the outer end. Sandstone was specified to weigh not less than 140 pounds to the cubic foot. In accordance with these plans, the work of jetty building was again…
Engineering
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