오리건주도 제31호선 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "오리건주도 제31호선" in Korean language version.

refsWebsite

Global rank Korean rank

6,109^th place

low place

oregon.gov

Road Inventory and Classification Services Unit. “2012 Cross Reference Table of Highway Route Number to State Highway Number” (PDF). Transportation Development Division, Oregon Department of Transportation. 2015년 10월 3일에 확인함.