Map of the United States Including Western Territories, 12/1848

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    Original Caption: This map accompanied President James K. Polk's annual message to Congress in December 1848. It represents Polk's conception as a Southern Democrat of how to divide up the new territory acquired through the Treaty of Guadalupe-Hidalgo. It became the starting point of debates in Congress over slavery and westward expansion.

    Created By: U.S. House of Representatives. (03/04/1789 - )

    From: Record Group/Collection: 233

    From: General Records, compiled 1791 - 1988

    Production Dates: 12/1848

    Persistent URL:

    Reference Unit: Center for Legislative Archives (NWL), National Archives Building

    Access Restrictions: Unrestricted
    Use Restrictions: Unrestricted

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