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WA-RD 466.1
Authors: 
John M. Ishimaru, Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, March 1, 1999
WA-RD 489.1
Authors: 
Peter H. Singleton, John F. Lehmkuhl.
Originator: 
Pacific Northwest Research Station (Portland, Or.). Wenatchee Forestry Sciences Lab.
Publication Date: 
Monday, May 15, 2000
WA-RD 511.1
Authors: 
Gudmundur F. Ulfarsson, Venkataraman N. Shankar, Patrick Vu, Fred L. Mannering, Linda N. Boyle, Mark M. Morse.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, December 1, 2001
WA-RD 511.2
Authors: 
Gudmundur F. Ulfarsson, Venkataraman N. Shankar, Patarick Vu, Fred L. Mannering, Linda N. Boyle, Mark M. Morse.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, February 1, 2002
WA-RD 622.1
Authors: 
Benjamin T. Maletzke, Gary M. Koehler, William R. Meyer.
Originator: 
Washington (State). Dept. of Fish and Wildlife.
Publication Date: 
Wednesday, June 29, 2005
WA-RD 628.1
Authors: 
David Yonge, Harini Shanmugan.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, August 1, 2005

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