Drum is an unincorporated community in the eastern part of Liberty Township in Bollinger County, Missouri, United States. The community was named for the Drum family, who were prominent pioneers.State Historical Society of Missouri: Bollinger County Place Names, 1928-1945 http://shs.umsystem.edu/manuscripts/ramsay/ramsay_bollinger.html A post office operated between the years 1893–1916.Post Offices in Bollinger County, MO A Directory of Towns, Villages, and Hamlets Past and Present of Bollinger County, Missouri
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