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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:2000357
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iowagravestones.org/cemetery_list.php?CID=6&cName=Prairie United Brethern a.k.a. DeWalt (4 May 2013)
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iagenweb.org/benton/cem_trans/prairie2.htm (4 May 2013)
Benton County, Iowa, IAGenWeb Project
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iagenweb.org/benton/cem_trans/prairie.htm (4 May 2013)
Benton County, Iowa, IAGenWeb Project