See the old mill, which was powered by Edna, a stationary engine.
The trains represent the railway along the valley carrying the dam workers and their equipment to and from the dams during construction.
At the bottom you can see a blacksmith at work
Like all the Touchstones, on the back of FIRE is a map of the valley showing the trail, and some more designs which would not fit on the front. Notable on the rear is a large tooth, fashioned by the local dentist. Fire indeed!