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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1620696
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www.interment.net/data/us/mi/alger/maple/index.htm (22 Oct 2009)
Cemetery records of Maple Grove Cemetery in Alger County, Michigan
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=998
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files.usgwarchives.org/mi/alger/cemeteries/m14201.txt (27 Nov 2008)