Ключевые слова: america, arikaree, blades, brule, buttes, clay, clayrich sedimentary rock, clean energy, colorado, energy, energy of wind, erosion, formation, green energy, industry, landscape, machine, nature, nature landscape, northeastern, pawnee buttes, pawnee national grassland, plains, power, renewable energy, rocky mountain, rotation, sails, sandstone, turbine, united states, us, weathering, weld county, wind, wind turbine, windmill,