"The Peluse (Palouse) River flows over three steppes, each of which is estimated to have an ascent of a thousand feet. The falls descend from the middle of the lower of these steppes." "The fall of the water, which is about thirty...
Concrete construction; Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Portions of the foundation level of Grand Coulee Dam have been poured, others remain to be poured. In the foreground, cooling coils are visible. These were required to maintain the desired temperature for optimum curing of the concrete.