An increase in the value of one currency in terms of another. Currencies appreciate against each other for various reasons, including capital inflows and the state of a country's current account.
Read Powellâs account of the first ever river expedition through the Grand Canyon in The Exploration of the Colorado River and Its Canyons, issued as a Penguin Classic in 2003.
Grand Canyon National Park encompasses areas of the Kaibab Plateau (on the southern extreme of the Colorado Plateau) at elevations between 7,000 and 8,000 feet, and also the Colorado River gorge which runs through it at elevations as low as 2,000 feet.