Workmen drilling a hole for a powder charge
circa 1860 – 1880
The photograph is captioned with "Much of the tunnel work was done by hand. Here Workmen drill a hole in the mouth of a tunnel for a powder charge."
Three men are in the mouth of a tunnel, posed with their tools. One man on the right holds a drilling stick while the man next to him prepares to hammer it. The final man on the left has a hand on his hip and a pickaxe at his feet.
Thiokol Chemical Corporation Wasatch Division, negative number 43914-8.