02494cam a22003133u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000070010610000350011324501880014826400510033630000470038733600260043433700260046033800360048650000310052250801160055352013210066953400450199065300370203565300480207270000170212085600430213742149UtSlPG20260610133950.0mcr n260607r2013||||utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aTA1 aHewett, Bertram Henry Majendie10aTransactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 :bThe New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155 1aSalt Lake City, UT :bProject Gutenberg,c2013  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2013-02-21  aProduced by Juliet Sutherland, Martin Mayer and the Online
Distributed Proofreading Team at http://www.pgdp.net  a"Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept.…" is a scientific publication written in the early 20th century. The work focuses on the engineering and construction processes involved in the New York Tunnel Extension of the Pennsylvania Railroad, specifically detailing the North River Tunnels. The publication likely serves as a professional reference for civil engineers and construction professionals, providing detailed insights into tunnel design, construction methodologies, and the challenges encountered during the project.  The opening of the document introduces a paper authored by B. H. M. Hewett and W. L. Brown, which describes the section of the Pennsylvania Railroad Tunnel between New York City and Weehawken, New Jersey. The introduction highlights the significance of this tunnel as it crosses the Hudson River, facilitating railroad access to terminal stations in New York City. The paper aims to present the actual designs, construction methods, and conditions encountered in the field, categorizing the information under four main subjects: Shafts, Plant, Land Tunnels, and River Tunnels. It sets the stage for a comprehensive exploration of the engineering techniques employed in this notable infrastructure project. (This is an automatically generated summary.)  nOriginal publication data not identified  aCivil engineering -- Periodicals  aRailroad tunnels -- Design and construction1 aBrown, W. L.40uhttps://www.gutenberg.org/ebooks/42149