Grand Tetons National Park
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Grand Tetons National Park

August 19, 2003
Grand Teton rises to 13,770 feet (about 4,200 meters), and twelve of the Teton peaks in the range rise above 12,000 feet (3,660 m), more than a mile above the valley below (known as Jackson Hole). They form the youngest section of the Rocky Mountains, yet conversely their uplifting exposes some of the oldest rock formations in North America. The gradual slope on the western side of the peaks reflects the uplifting and tilting of the section of the North American crust shown here. The Snake River originates here, draining into and out of Jackson Lake. The Snake River forms the headwaters for the Columbia River, the largest river in the Pacific Northwest.

This visualization combines simulated natural color imagery from the Landsat 7 Enhanced Thematic Mapper Plus (ETM+) instrument with elevation data derived from the Shuttle Radar Topography Mission (SRTM) and the United States Geological Survey’s Digital Terrain Elevation Data (DTED).

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