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WA-RD 318.1
Authors: 
Matthew Benuska, Matthew Hansen, Cy Ulberg.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, February 1, 1994
WA-RD 317.2
Authors: 
Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, September 1, 1994
WA-RD 317.1
Authors: 
Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, September 1, 1994
WA-RD 316.2
Authors: 
Sue A. Ferguson.
Originator: 
USDA Forest Service. Pacific Northwest Research Station (Portland, Or.)
Publication Date: 
Saturday, December 31, 1994
WA-RD 315.2
Authors: 
Joe P. Mahoney, Marc Seferian.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, December 16, 1995
WA-RD 315.1
Authors: 
Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, January 31, 1994
WA-RD 314.1
Authors: 
Mark E. Hallenbeck, Soon-Gwam Kim.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, September 1, 1993
WA-RD 313.2
Authors: 
William Elkey, Donald J. Janssen, Kenneth C. Hover.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, July 2, 1994
WA-RD 313.1
Authors: 
William Elkey, Donald J. Janssen, Kenneth C. Hover.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, July 2, 1994
WA-RD 312.1
Authors: 
Patricia Corsello.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, October 1, 1993

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