piers

WA-RD 305.3
Authors: 
Tom O'Donovan, Marc O. Eberhard, Jeffrey A. MacLardy, M. Lee Marsh.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, March 1, 1994
WA-RD 611.1
Authors: 
David G. Hieber, Jonathan M. Wacker, Marc O. Eberhard, John F. Stanton.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, December 1, 2005