Clarkson is an unincorporated community in Howard County, Maryland, United States. A postal office operated in the community from September 14, 1889, to October 31,…
Clarkson is an unincorporated community in Howard County, Maryland, United States. A postal office operated in the community from September 14, 1889, to October 31, 1931. Clarkson was the site of strategic simulations by the U.S. Army in 1922 training manuals.
See also Columbia, Maryland
References
Gebaseerd op: Wikipedia — Clarkson, Maryland · auteursgeschiedenis.
Tekst: CC BY-SA 4.0.
Wikisyntaxis en sjablonen zijn verwijderd; langere teksten zijn ingekort.