Upper Iowa River Bridge (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Upper Iowa River Bridge" in English language version.

refsWebsite

Global rank English rank

135^th place

105^th place

nps.gov (Global: 135^th place; English: 105^th place)

npgallery.nps.gov

"National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
Clayton B. Fraser. "Upper Iowa River Bridge". National Park Service. Retrieved July 21, 2016. with photos