hrough the hands of four different operators. After being abandoned for eight years, excavation was resumed and notable progress made by an English company in 1891, by methods not essentially different from those by which the tunnel was eventually com- pleted, and after extending the tunnel to… … (Concluded on page 59.) FLAN OF HUDSON COMPANIES' SYSTEM AND CONNECTIONS. York & New Jersey Railroad Company took up the ■work under the direction of Mr. C. M. Jacobs, who had done remarkable pioneer work of the same sort in the East River gas tunnel, and in March, 1905, success- fully drove into…
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