Ключевые слова: america, arizona, black canyon, boulder dam, bridge, building, colorado, colorado river, construction, control, current, dam, electricity, energy, flood control, gate, generator, gorge, hoover dam, hoover dam bypass, hydroelectric, hydroelectric power, lake, lake mead, nevada, power plant, power station, regulation, reservoir, river, rock face, rock formation, stone, stream, sunny, united states of america, usa, valley, water, water storage, watercourse,