herbicides

WA-RD 736.1
Authors: 
Raymond G. Willard, James R. Morin, Oai K. Tang.
Originator: 
Washington (State). Dept. of Transportation. Headquarters Maintenance and Operations Office
Publication Date: 
Tuesday, May 11, 2010
WA-RD 034.1
Authors: 
George F. Ryan, Russell N. Rosenthal, Robert L. Berger.
Originator: 
Washington (State). Dept. of Transportation. Maintenance and Operations Office; Western Washington Research and Extension Center.
Publication Date: 
Saturday, December 31, 1977
WA-RD 621.1
Authors: 
Kristina Hill, Richard Horner.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, December 1, 2005