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Sunday, October 24, 2010

Place Around the World- The great canyon of Colorado

The Grand Canyon is a deep gorge carved by the Colorado River, USA, in Arizona. That was in the Grand Canyon National Park, one of the first national parks in the United States included. President Theodore Roosevelt was the chief proponent of the natural reserve of the Grand Canyon, and visited many times to enjoy the hunting and the countryside.
The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) and reaches a depth of more than one (1.83 km) miles (6,000 meters) Nearly two billion years of geological history of Earth . exposed as the Colorado River cut and its tributaries channels 

through layer after layer of rock while the Colorado Plateau from While some geological processes and timing that are part of the Grand Canyon. will be discussed by experts in geology,  Recent evidence] shows look back the Colorado River through the canyon is at least 17 million years. Since then sets to erode the Colorado River and the shape of the gorge, to the point that we see today.
Prior to European immigration, was the area of Indians, the settlements in the valley and built numerous caves inhabited. pueblo than the Grand Canyon ("Ongtupqa" in Hopi language), holy places and pilgrimages are made. The first Europeans to see the Grand Canyon have García López de Cárdenas was from Spain, who arrived in 1540... WOW

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