Ключевые слова: america, american, attraction, butte, california trail, chimney, chimney rock, colorful, county, dawn, destination, early, formation, geological, grassland, historic, hoodoo, landform, landmark, landscape, mormon, morning, morrill, national, natural, nature, nebraska, north, oregon trail, outdoor, pink, pinnacle, platte, prairie, river, rock, scenic, site, sky, states, sunrise, sunset, trail, travel, united, usa, valley, western,