Ключевые слова: america, bacteria, blue, chromatic, emerald, faithful, geology, geothermal, geyser, glory, hot, hydrology, hydrothermal, landscape, microbial, minerals, morning, national, natural, nature, orange, organisms, overtone, park, pigment, pigmented, pool, purity, range, spectrum, states, steam, sulfur, texture, thermal, travel, united, usa, water, wyoming, yellowstone,