Clarkson, Maryland facts for kids
Clarkson is an unincorporated community in Howard County, Maryland, United States. A postal office operated in the community from 14 September 1889 to 31 October 1931. Clarkson was the site of strategic simulations by the U.S. Army in 1922 training manuals.
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Clarkson, Maryland Facts for Kids. Kiddle Encyclopedia.