http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Manual for condition evaluation of bridges, 1994
American Association of State Highway and Transportation Officials
AASHTO Subcommittee on Bridges and Structures.
"As revised by the 1995, 1996, 1998 and 2000 interim revisions and as approved by the AASHTO Subcommittee on Bridges and Structures."