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21Published 1986“...United States Territorial expansion Maps....”
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22Published 1996“...United States Territorial expansion Maps....”
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23Published 1962“...United States Territorial expansion Maps....”
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24Published 1986“...United States Territorial expansion Maps....”
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25by Roessler, A. R.“...United States Territories and possessions 19th century Maps....”
Published 1874
Map