The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,000 feet / 1,800 metres). Nearly two billion years of the Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While the specific geologic processes and timing that formed the Grand Canyon is the subject of debate by geologists, recent evidence suggests the Colorado River established its course through the canyon at least 17 million years ago. Send a message to sandy@sandyspider.com or sandyswebnetwork@gmail.com if you would like to see any of these designs on a product not shown. I will gladly make a custom-made product just for you. To Search for a particular product, just type in the words in the search box and the drop down menu will narrow it down to the product you are looking for. Buy in bulk for extra savings. My images are copyrighted and have a digital thumb print on file. They are protected at <img src='http://storage.myfreecopyright.com/mfc_protected.png' alt='MyFreeCopyright.com Registered &amp; Protected' title='MyFreeCopyright.com Registered &amp; Protected' width='145px' height='38px' border='0' /> My Zazzle shops and websites:
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