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Golden Spike National Historic Site
View looking west along the Big Fill Walk from the Central Pacific Grade. the Union Pacific Grade is to the left.
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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/gosp0057.htm
Maintained by Webmaster, Menlo Park, CA
Last modified: 11/28/2005