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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:412921
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=106729
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www.ci.olney.il.us/Visitors/Cemeteries.htm (26 Mar 2010)
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www.rootsweb.ancestry.com/~ilrichla/mapledale.htm (26 Aug 2010)
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www.rootsweb.ancestry.com/~ilrichla/CemLocat.htm#Maple (26 Aug 2010)