Brockville, city (1991 pop. 21,582), SE Ont., Canada, on the St. Lawrence River. It is in a rich dairy region. The city's manufactures include telecommunications equipment, power tools, pharmaceuticals, and baby foods. In summer it is a tourist resort.
"Brockville." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (February 25, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/brockville
"Brockville." The Columbia Encyclopedia, 6th ed.. . Retrieved February 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/brockville