equations

WA-RD 324.1
Authors: 
Dames & Moore, Inca Engineering.
Originator: 
Dames & Moore, Inca Engineering.
Publication Date: 
Thursday, April 1, 1993
WA-RD 143.1
Authors: 
Joe P. Mahoney, R. Keith Kay, Newton C. Jackson.
Originator: 
Washington State Transportation Center (TRAC), University of Washington. Dept. of Civil Engineering.
Publication Date: 
Tuesday, March 1, 1988