Ключевые слова: aged, architecture, blue, clean, columbia, columbia river, concrete, coulee, dam, electric, electricity, energy, engineering, fuel, generation, generator, grand, grand coulee, grand coulee dam, huge, hydroelectric, industrial, industry, lake, landmark, landscape, large, line, lines, northwest, old, pollution, power, river, scenic, science, state, strong, structure, transmission, travel, turbines, washington, washington state, water, wires,