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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1266973
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politicalgraveyard.com/geo/SD/WA.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=13013&locTGroup=Cemeteries&direction=down (25 Dec 2007)
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www.linkpendium.com/genealogy/USA/SD/Walworth/ (21 Dec 2009)
The definitive directory to Genealogy > USA > South Dakota > Walworth County
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www.epodunk.com/cgi-bin/genInfo.php?locIndex=13013 (23 Nov 2008)
Walworth County, South Dakota SD, 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=2422 (2 Sep 2009)
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www.usgwarchives.net/sd/walworth/walworth.html (22 Jan 2010)
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en.wikipedia.org/wiki/Walworth_County,_South_Dakota