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Geologic map and profiles of the north wall of the Snake River Canyon, Thousand Springs and Niagara quadrangles, Idaho Geologic map and profiles of the north wall of the Snake River Canyon, Thousand Springs and Niagara quadrangles, Idaho
The Snake River Plain is a broad, arcuate region of low relief that extends more than 300 mi across southern Idaho. The Snake River enters the plain near Idaho Falls and flows westward along the southern margin of the eastern Snake River Plain (fig. 1), a position mainly determined by the basaltic lava flows that erupted near the axis of the plain. The highly productive Snake River Plain...
Geologic map of Bryce Canyon National Park and vicinity, southwestern Utah Geologic map of Bryce Canyon National Park and vicinity, southwestern Utah
Bryce Canyon National Park is located along the eastern escarpment of the Paunsaugunt Plateau, which along with the Markagunt Plateau to the west, form the southernmost of the High Plateaus of Utah. The park’s unique scenery has been created by forces of differential erosion acting on colorful rocks exposed along and below the rim of the plateau. Park headquarters and major scenic...