↑نشانی اینترنتی: http://www.kenkrakow.com/gpn/c.pdf. گفتاورد: COLUMBIA COUNTY. Created December 10,1790 with 290 square miles taken from Richmond County. Named for the great navigator and discoverer of the Western Hemisphere, Christopher Columbus (c. 1446-1506)..