Surveying Noxious Weeds in Roadway Rights-of-Way Status: CompleteReport Date: 10/10/2007 Summary: Mn/DOT District 4 staff used a new sampling procedure to locate and measure infestations of noxious weeds and concluded that examining a greater number of much smaller areas, selected with regard to ecozone, was more accurate and would allow for better targeting of weed control resources. Final Deliverables: Report #2007-42 Technical Summary Related Materials: Related Research: