National Park Service
Inside Grand Canyon
Learn about Grand Canyon National Park with a Park Ranger as your guide. Inside Grand Canyon provides an in-depth look at the nature, science, history and culture of the Grand Canyon told through audio/ video podcasts and Ranger Minutes. A powerful and inspiring landscape, the Grand Canyon overwhelms our senses through its immense size. Unique combinations of geologic color and erosional forms decorate a canyon that is 277 river miles (446km) long, up to 18 miles (29km) wide, and a mile (1.6km) deep.
2008 National Park Service
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