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Document Type

Grand Teton National Park Report

First Page

120

Last Page

125

Abstract

The Teton fault is one of the moot active normal faults in the world, as attested by the precipitous high front of the Teton Range. After deglaciation of northern Jackson Hole about 15,000 years ago (Porter and others, 1983), offset on the Teton fault southwest of Jackoon Lake has totaled 19-24 m (60-80 feet) (Gilbert and others, 1983). In less than the last 9 million years, offset on the Teton fault has totaled from 7,500 to 9,000 meters (Love and Reed, 1971).

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