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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:414112
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www.interment.net/data/us/il/richland/mtzion/index.htm (22 Oct 2009)
Cemetery records of Mount Zion Cemetery in Calhoun, Richland County, Illinois
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=107080
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www.rootsweb.ancestry.com/~ilrichla/CemLocat.htm#Whitaker (26 Aug 2010)
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=2311205