Iowa Highway 23 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Iowa Highway 23" in English language version.

refsWebsite

Global rank English rank

low place

low place

2,548^th place

1,587^th place

iastate.edu (Global: 2,548^th place; English: 1,587^th place)

ortho.gis.iastate.edu

Topographical map (Map). 1:100,000. U.S. Geological Survey. 1976. Retrieved April 10, 2013.

iowadot.gov (Global: low place; English: low place)

2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved December 26, 2010.
Iowa Department of Transportation (2012). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa Department of Transportation. Retrieved April 10, 2013.