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U.S. Route 421 in Indiana (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "U.S. Route 421 in Indiana" in English language version.

refsWebsite
Global rank English rank
1web.archive.org
1st place
1st place
1in.gov
3,146th place
1,695th place

in.gov

  • "INDOT Roadway Referencing System" (PDF). Indiana Department of Transportation. Archived from the original (PDF) on June 15, 2011.

web.archive.org

  • "INDOT Roadway Referencing System" (PDF). Indiana Department of Transportation. Archived from the original (PDF) on June 15, 2011.