| Wide view across river and mineral flats to steam of hot springs in middle distance with mountain ridges and cloudy sky in distance |
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alternative energy, American West, bacteria, calcium carbonate, energy, environment, extreme environment, flow, geological activity, geothermal, heat, hot springs, limestone, Main Terrace, mineral deposits, minerals, national park, nature, park, springs, steaming, terraces, thermophiles, water, west, Wyoming, Yellowstone National Park
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