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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:465265
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politicalgraveyard.com/geo/IA/PO.html#CEM (26 Mar 2009)
A database of political history and cemeteries, with brief biographical entries for 192,291 U.S. political figures, living and dead, from the 1700s to the present.
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www.epodunk.com/cgi-bin/localList.php?local=7601&locTGroup=Cemeteries&direction=down (29 Nov 2008)
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www.interment.net/us/ia/polk.htm (16 May 2010)
Cemetery records of Polk County, Iowa
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www.linkpendium.com/genealogy/USA/IA/Polk/cem/ (18 Nov 2008)
The definitive directory to Genealogy > USA > Iowa > Polk County > Cemeteries
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www.linkpendium.com/genealogy/USA/IA/Polk/ (30 Dec 2009)
The definitive directory to Genealogy > USA > Iowa > Polk County
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www.epodunk.com/cgi-bin/genInfo.php?locIndex=7601 (13 Nov 2008)
Polk County, Iowa IA, county profile, with sections on demographics, cemeteries, the economy, government, history and politics.
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www.findagrave.com/cgi-bin/fg.cgi?page=csr&CScnty=623 (10 Sep 2009)
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www.usgwarchives.net/ia/polk/cemetery.html (23 Nov 2009)
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iowaghosttowns.com/polkcounty.html (31 Jul 2008)
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en.wikipedia.org/wiki/Polk_County,_Iowa (4 Aug 2010)