Grand Canyon National Park Tourism and Vacation

Grand Canyon was first seen by Europeans in 1540, García López de Cárdenas from Spain. The first scientific expedition to the canyon was led by U.S. Major John Wesley Powell in the late 1870's. Powell pointed to the sedimentary rocks exposed in the canyon as "leaves in his grand story." However, long before that time, the region has been inhabited by Native Americans who built the residence in the canyon's walls.

Grand Canyon is a canyon cliff-steep, carved by the Colorado River, in northern Arizona. This canyon is one of the Seven Wonders of the World and mostly located in the Grand Canyon National Park: one of the first national parks in the United States. President Theodore Roosevelt was one of the main supporters of the Grand Canyon area, visiting on numerous occasions to hunt mountain lion and enjoy the incredible natural scenery.

This gorge, created by the Colorado River cutting a strait for millions of years, the length of approximately 446 km, with widths ranging from 6 to 29 km and a depth of more than 1,600 m. Nearly 2000 million years of Earth's history has been cut by the Colorado River and its tributaries layer after layer of sediment as the Colorado Plateau began to rise.

Nature requires 1.7 billion years to form the Grand Canyon located in northern Arizona, USA. Formation process through various critical periods of the earth. Climate change, arising sinking continents, forming mountains, and more. Each period of change, contributing one layer at the Grand Canyon. By examining the layers of the Grand Canyon, we can find out what is happening on our planet for 1.7 billion years. (source : http://bolehtau.wordpress.com/ and http://id.wikipedia.org/wiki/Grand_Canyon)

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