Browsing Transportation plans by Author "HDR Engineering"

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  • Portland (Or.). Office of Transportation; Nelson-Nygaard Consulting Associates; Portland (Or.); HDR Engineering; SRI/Shapiro, Inc.; Hansen Drafting & Graphics; Bauer, Thomas (City of Portland (Or.), July , 1997)
  • Scappoose (Or.); Kittelson & Associates; HDR Engineering (City of Scappoose (Or.), October , 2002)