Dams -- United States -- Design and construction; Construction workers -- United States.
Hard hat worn by construction workers on Grand Coulee Dam. Early version of hard hat was plastic resin impregnated fabric. This one was worn by project engineer Frank Banks.
The expedition party makes a distribution of the presents and provisions designed for the Gros Ventres tribe, "consisting of blankets, shirts, calico, knives, beads, paint, powder, shot, tobacco, and hard bread." Plate XXI.