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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:277578
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en.wikipedia.org/wiki/Pleasanton,_California (16 May 2010)
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www.l-ags.org/ (20 Aug 2012)
The Livermore-Amador Genealogical Society provides information and databases about our local area including cemeteries plus surnames our members are searching.
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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:2411441