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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:457684
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=95132
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iagenweb.org/benton/cem_trans/houghton.htm (4 May 2013)
Benton County, Iowa, IAGenWeb Project
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iagenweb.org/benton/cem_trans/photos_houghton.htm (4 May 2013)
Benton County, Iowa, IAGenWeb Project