Circleville, city (1990 pop. 11,666), seat of Pickaway co., S central Ohio, on the Scioto River; inc. 1853. Corn, hogs, and poultry are processed in the city. Circleville was laid out in 1810 within the remains of a circular fort allegedly erected by mound builders. Its growth was spurred by the building of the Ohio and Erie Canal.
"Circleville." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 16, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/circleville
"Circleville." The Columbia Encyclopedia, 6th ed.. . Retrieved November 16, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/circleville