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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:828538
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www.rootsweb.ancestry.com/~nesgs/Ancestree/vol16/v16n2p040.htm#42
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=100523
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www.usgennet.org/usa/ne/county/saunders/cemetery/czpresby.html (21 Sep 2009)