Handbook of Railroad Construction, by George L. Vose 56688 [Subtitle: For the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States.] [Link: http://www.gutenberg.org/5/6/6/8/56688 ] [Files: 56688-0.txt; 56688-h.htm] Thanks to Richard Tonsing and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) David