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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1086187
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en.wikipedia.org/wiki/Monroe_Township,_Guernsey_County,_Ohio (18 Jun 2010)
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freepages.genealogy.rootsweb.ancestry.com/~tqpeiffer/Documents/Locations - USA/County/Guernsey Co., OH.htm (2 Sep 2011)