retaining wall

WA-RD 452.2
Authors: 
Robert D. Holtz, Wei F. Lee.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, August 1, 1998
WA-RD 452.1
Authors: 
Robert D. Holtz, Wei F. Lee.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, August 1, 1998
WA-RD 532.1
Authors: 
Robert D. Holtz, Wei F. Lee.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, January 1, 2002