Historical Maps Featuring Rivers

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  1876 - Yellowstone River

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  1778 - Ohio River Valley

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  1858 - Colorado River

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  1898 - Yukon River

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  1858 - Lower Mississippi River

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  1760 - Hudson River

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  1744 - New Spain (AZ and NM)

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  1720 - Mississippi River

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  1841 - Oregon Territory

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  1975 - Mississippi River

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  1721 - Mississippi River

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  1863 - Lower Mississippi

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  1805 - Allegheny & Monongahela

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  1908 - Colorado River

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  1880 - Long Island Sound

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  1777 - Hudson River

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  1859 - Red River to Rio Grande