http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
GPO Cataloging Record Distribution Program (CRDP).
Mode of access: Internet at the NAB USACE web site. Formerly available, as of 5/28/04, from : http://www.nab.usace.army.mil/publications/Constellation/constellation.htm; current access is available via PURL.
Issues for <Fall/Winter 2012-> not numbered.
Public Affairs Office, U.S. Army Corps of Engineers, Baltimore District, P.O. Box 1715, Baltimore, Md. 21203-1715