"Supersedes EP 715-1-2, dated November 1980"--P. [2] of cover.
"February1990."
"CEMP-CE."
Mode of access: Internet from the USACE web site. Address as of 10/27/2008: http://www.usace.army.mil/publications/eng-pamphlets/ep715-1-2/entire.pdf; current access available via PURL.