National Geographic : 1994 Oct
"When, like amerchant taking alist (fhis goods, we take stock of our wildness, we are glad Timeless winds com pose crescendos and diminuendos of light and shadow at Great Sand Dunes National Monument, Colorado. Towering 700 feet, the dunes are the highest in North America. DICKDURRANCEII, DRINKER/DURRANCEGRAPHICS Grizzled with frost, a bison rests near Old Faithful geyser in Yel lowstone, the world's first national park, founded in 1872. Res cued from extinction, some 4,000 bison roam the park.