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The boundaries of the New Mexico Territory at the time of establishment (September 9, 1850) contained most of the present-day State of New Mexico, more than half of the present-day State of Arizona, and portions of the present-day states of Colorado and Nevada.
The area currently occupied by the U.S. State of New Mexico has undergone numerous changes in occupancy and territorial claims and designations. This geographic chronology traces the territorial evolution of New Mexico.
Explore old and modern maps of New Mexico, including state, county, township, road, highway, and geological maps. Learn about the history, geography, and features of New Mexico through maps from 1845 to present.
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Feb 22, 2023 · Explore the geography, counties, and cities of New Mexico with maps and facts. Learn about the state's location, climate, landmarks, and history.
17 hours ago · The detailed map shows the US state of New Mexico with boundaries, the location of the state capital Santa Fe, major cities and populated places, rivers and lakes, interstate highways, principal highways, railroads and major airports.
Following the Mexican–American War in 1848, the U.S. annexed New Mexico as part of the larger New Mexico Territory. It played a central role in U.S. westward expansion and was admitted to the Union as the 47th state on January 6, 1912. New Mexico's history has contributed to its unique demographic and cultural character.
New Mexico Territory. A map of the later Federal Arizona and New Mexico Territories, split from the original New Mexico Territory of 1851, showing existing counties. The Territory of New Mexico was an organized incorporated territory of the United States that existed (with varying boundaries) from September 9, 1850, until January 6, 1912, when ...
