The Forge (La Ferrería) produced the first steel in Antioquia and operated from 1864 to 1931. Its ruins are now a Rural National Monument.[2] There is also a very famous touristic place which is called "El viaducto" (the path). [citation needed]
^Bell, P. L. (1921) Colombia: A Commercial and Industrial Handbook (Special Agents Series #206) Bureau of Foreign and Domestic Commerce, United States Department of Commerce, Government Printing Office, Washington, D.C., [1] page 234]