Coke ovens at Hecla No. 3, also known as Southwest, PA.
This coke oven at Hecla No. 3 is a good illustration of where the beehive coke oven got it's name.
Part of the patch at Hecla No. 1. The Thaw and Dorsey Coal and Coke Co. built Hecla No. 1 in 1882.
This coke oven at Hecla still has it's trunnel hole,through which the larry cars loaded the coal into the oven. H.C. Frick Coke Co. had taken over operations of Hecla No. 1 by 1929, and they closed the operation that year.