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Golden Spike National Historic Site
Wildflowers along the Big Fill Walk on the Union Pacific Grade. Note the wave-cut terraces in the grasslands in the center of the image. The Promontory Mountains are in the distance.
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U.S. Department of the Interior - U.S. Geological Survey - Geology Discipline
The URL of this page is: http://3dparks.wr.usgs.gov/2005/goldenspike/html/gosp0064.htm
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Last modified: 11/28/2005