What are those mysterious mounds along Highway 133 near Redstone? Coke ovens ^56.3%

Colorado Public Radio - By Stina Sieg - 12/22/2025, 11:00 AM

Of the hundreds of coke ovens built in 1899, 90 remain in various stages of decay and restoration. The Restone Historical Society started the push to save ovens in the early 2000s, and they're now in their own historic district, pictured Dec. 10, 2025. Drive south on rural Highway 133 out of the small town of Carbondale and you’ll... more