id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
18065	Noble, Alfred	Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Division. Paper No. 1152			.txt	text/plain	5123	200	62	the rock surface, and profiles along the tunnel lines were plotted from through the tunnel of the East River Gas Company at 71st Street. The work of the East River Division at this site embraced the excavation Street from the west side of Seventh Avenue to the east side of Ninth Street lines from the west end of the three-track tunnel to the shaft in 33d Street to the west line of Fifth Avenue, with a descending grade the tunnel roof at 32d Street and Fifth Avenue showed a thin cover with west of Sixth Avenue in 33d Street; the twin tunnel method was the most suitable for the East River tunnels, and the plans and record in work in any way similar to the East River tunnels, part of the tunnels east of Front Street was built without shields. easterly end of the work near East Avenue in Long Island City to the	./cache/18065.txt	./txt/18065.txt