* U.S. Army Corps of Engineers manual: [http://web.archive.org/web/20080822132227/http://www.usace.army.mil/publications/eng-manuals/em1110-1-1003/toc.htm NAVSTAR HTML] and [http://web.archive.org/web/20080625111519/http://www.usace.army.mil/publications/eng-manuals/em1110-1-1003/entire.pdf PDF (22.6 MB, 328 pages)] | * U.S. Army Corps of Engineers manual: [http://web.archive.org/web/20080822132227/http://www.usace.army.mil/publications/eng-manuals/em1110-1-1003/toc.htm NAVSTAR HTML] and [http://web.archive.org/web/20080625111519/http://www.usace.army.mil/publications/eng-manuals/em1110-1-1003/entire.pdf PDF (22.6 MB, 328 pages)] |