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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:659501
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politicalgraveyard.com/geo/MN/OT.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=21351&locTGroup=Cemeteries&direction=down (29 Nov 2008)
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www.linkpendium.com/genealogy/USA/MN/Otter_Tail/ (26 Oct 2011)
Otter Tail County, Minnesota: Bibles, biographies, cemeteries, census, genealogy, newspapers, obituaries, vitals: births, marriages, deaths.
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www.epodunk.com/cgi-bin/genInfo.php?locIndex=21351 (16 Nov 2008)
Otter Tail County, Minnesota MN, 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=1365 (6 Sep 2009)
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www.usgwarchives.net/mn/ottertail/ottertai.html (31 Jan 2010)
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www.jsenterprises.com/ottertail/ (14 Nov 2009)
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en.wikipedia.org/wiki/Otter_Tail_County,_Minnesota (16 Aug 2010)
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www.co.otter-tail.mn.us/ (3 Aug 2012)