Cañon City (kăn´yən), city (1990 pop. 12,687), seat of Fremont co., S central Colo., at the mouth of the Grand Canyon of the Arkansas River (see Royal Gorge); laid out 1859 on the site of a blockhouse built (1807) by Zebulon M. Pike, inc. 1872. It is a health and tourist resort in a scenic area with mineral springs. Marble and limestone are quarried, and a variety of other minerals are found in the region. Tools and cement are manufactured. A state prison is located there.
"Cañon City." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 25, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/canon-city
"Cañon City." The Columbia Encyclopedia, 6th ed.. . Retrieved September 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/canon-city