Blackburn Marking Products has all the marking products for survey and construction. The product line includes custom printed and plain marking flags, marking paint, underground warning tape, barricade tape and safety equipment. All APWA colors are available in flags, tape and paint, plus fluorescents. New for 2005, Blackburn has expanded to supply measuring wheels and striping machines. A complete catalog and ordering on the web at www.blackburnflag.com.