Sunnyside Coke Ovens Jacob Barlow 2 years ago The coke ovens at Sunnyside were built in 1902 to process coke (a by-product of coal). During 1912 alone, these ovens produced 347,356 tons of coke and by 1919 this was the largest operation of its kind in the United States with 819 ovens. Share this:Print Sunnyside, UtahDateJuly 16, 2023In relation toCarbon CountyConnellsville, UtahDateAugust 29, 2023In relation toConnellsvilleSettlement of East CarbonDateJune 4, 2014In relation toCarbon County