geotextiles

WA-RD 280.1
Authors: 
Robert D. Holtz, Martin W. Page.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, March 31, 1991
WA-RD 257.1
Authors: 
Tony M. Allen, B.R. Christopher, R.D. Holtz.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Sunday, March 1, 1992
WA-RD 144.1
Authors: 
Robert D. Strombom.
Originator: 
Fujiki and Associates, Inc.
Publication Date: 
Monday, June 1, 1987
WA-RD 440.1
Authors: 
Pete Jason Black, Robert D. Holtz.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, July 1, 1997