Photograph of the electric substation in Idaho Springs, Colorado. This is a full view of the building, which was owned and operated by the United Hydro Electric Company.
One photographic print and accompanying copy negative of the house for the superintendent of the United Hydro Electric Company in Idaho Springs, Colorado, located near the substation.
Photograph of a large electric power line junction tower, south of Idaho Springs. The image looks northeast, showing Idaho Springs, Colorado in the background.