Ball mill at the Bradley Mine mill at Stibnite in Valley County, Idaho circa 1940. This photo gives a close up view of the ball mills which are used to crush ore. The opening and trough where crushed ore exits the mill is clearly shown in the...
Hallack & Howard Lumber Co. Cascade, Idaho. A panoramic view of the valley with mountains in the background, mill buildings center, and railroad cars foreground.
OK Team hauling a large boiler up grade to the Minnie Moore mine near Hailey, Idaho. Seven men are in this view guiding a mixed team of oxen and horses.
View of two stationary steam engines. The interior view is well lit and clearly shows the large fly wheels, single cylinders, and connecting pipes and valves that make up the engine. A pile of nuts and bolts lies on the floor.