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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1658849
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en.wikipedia.org/wiki/Jackson,_California (10 May 2010)
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www.ldphotography.net/cmGraves/index.php?cat=18 (19 Nov 2010)
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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:2410128