http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
lesson plan : direct the assembly of an M4T6 fixed span bridge up to 45 feet
Direct the assembly of an M4T6 fixed span bridge up to 45 feet
prepared by United States Army Engineer School for U.S. Army Reserve Schools.