Wolfe, Victor D.Oregon. State Highway Division2010-03-152010-03-151973-08https://hdl.handle.net/1794/1027529 p. Illustrations, Mapsen-USBicycle trails -- Oregon -- Portland -- EvaluationBicycle trails -- Oregon -- Portland -- PlanningBicycle trails -- Oregon -- Portland -- Design and constructionCycling -- Oregon -- Portland -- EvaluationTransportation -- Oregon -- Portland Metropolitan Area -- PlanningBridges -- Oregon -- Portland -- PlanningBridges -- Washington (State) -- Vancouver -- PlanningBridges -- Columbia River -- PlanningBridges -- Design and constructionBikewaysOther