@Book{659267861, author="Putnam, William Lowell", title="Great railroad tunnels of North America", year="2011", publisher="McFarland", address="Jefferson, NC [u.a.]", keywords="Railroad tunnels; North America; Railroads; Design and construction; History; Railroad tunnelsNorth America; RailroadsDesign and constructionHistory", abstract="``In addition to providing details on the tunnels, the author explores the reasons they were created, their engineers, and their use, the book includes more than 50 period and contemporary photos of the tunnels. A glossary explains unfamiliar concepts related to railroad construction and maintenance''--", note="William Lowell Putnam", note="Formerly CIP Uk. - Includes bibliographical references and index", isbn="0786459514", language="English" }