Southwestern_Defense_System_before_the_Civil_War.jpg
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Summary
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English:
Southwestern Defense System before the Civil War. Source: Robert M. Utley, Fort Union National Monument, 34.
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| Source | http://www.nps.gov/history/history/online_books/foun/chap3.htm |
| Author | Government - National Park Service |
Licensing
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government , such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |
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