Elements of Trench Warfare, by William Waldron 61330 [Link: http://www.gutenberg.org/6/1/3/3/61330 ] [Files: 61330-0.txt; 61330-h.htm] Thanks to Brian Coe, Christian Boissonnas and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) David