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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:228203
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=1973956
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www.l-ags.org/cem_liv/livintro.html (20 Aug 2012)
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www.l-ags.org/cem_liv/rlintro.html (20 Aug 2012)
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www.l-ags.org/cem_liv/rl_plot.html (20 Aug 2012)