Image:USA Territorial Growth small.gif
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USA_Territorial_Growth_small.gif (431 × 287 pixel, file size: 456 KB, MIME type: image/gif)
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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 |