Polk Township, Benton County, Iowa (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polk Township, Benton County, Iowa" in English language version.

refsWebsite

Global rank English rank

45^th place

41^st place

6^th place

6^th place

archive.org

The History of Benton County, Iowa, Containing a History of the County, Its Cities, Towns, &c. Western Historical. 1878. pp. 312.

census.gov

"U.S. Census website". Retrieved May 7, 2009.