– ABOUT –
The Grand Canyon is a large, deep river valley in Northwestern Arizona. The main cause of the erosion that formed the Grand Canyon was water; most scientists agree that it formed when the Colorado River started carving through layers of volcanic rock and sediment between five million and six million years ago.
Be sure to check out ” General Project Supplies” for even more supplies for your project.
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$2.99
This product has multiple variants. The options may be chosen on the product page 
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$2.79
This product has multiple variants. The options may be chosen on the product page 
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