Category:National Atlas territorial expansion maps
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National Atlas of the United States of America published by the U.S. Geological Survey in 1970.
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This map was obtained from the National Atlas of the United States. This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of 17 U.S.C. § 105. See Copyright. Online access: NationalAtlas.gov | 1970 print edition: Library of Congress, Perry-Castañeda Library |
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Media in category "National Atlas territorial expansion maps"
There are 11 files in this section of this category.
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