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Map of Estados Unidos de México – 1824
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Mapa de los Estados Unidos de México – 1824

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New Map of Texas, Oregon, and California – 1840

New Map of Texas, Oregon, and California – 1840

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Oregon, Upper California, and New Mexico – 1849

Oregon, Upper California, and New Mexico – 1849

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New Mexico’s Territorial Borders – 1852

New Mexico’s Territorial borders in 1852 extended well into modern-day Colorado, included most of Arizona, and all of far-southern Nevada…!

Taos County, for example, extended from Oklahoma all the way to California…!

Bernalillo, Valencia, and Socorro counties extended from Texas to California….!

New Mexico’s Territorial Borders – 1852

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1858 – Territory of the United States from the Mississippi River to the Pacific Ocean

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Arizona and New Mexico in 1867
Arizona and New Mexico in 1867