erations until new mone- is that instead of using temporary facings of timber or feet inside of the bulkhead line of the river. Theshaft tary arrangements could be made. No man ever bat- other rigid material, I rely upon the air pressure to re- had hardly been sunk for half the proper depth when… … in the more rapid ly, about 2,300 ft. prosecution of the on the Jersey side work, the Beach and about 250 ft. The dark line shows the un- on the New York side. iron plates much thicker and stronger than those before and constructor of the Hudson River Tunnel. As an completed portion. used have been…
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