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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:456437
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www.sharylscabin.com/Allamakee/cemetery/woodmansee.htm (23 Dec 2012)
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www.sharylscabin.com/Allamakee/cemetery/Evergreen.htm (19 May 2012)
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iowagravestones.org/cemetery_list.php?CID=3&cName=Evergreen (1 May 2013)