what four states in the us form the northern border of mexico
California
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Section::::Geography.:Border states.

Mexico–United States border
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Arizona
-1
Section::::Geography.:Border states.

Mexico–United States border
2817606
New Mexico
-1
Section::::Geography.:Border states.

Mexico–United States border
2817606
Texas
-1
Section::::Abstract.
Mexico–United States border
2817606
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NONE
Section::::Geography.:Border states.

Mexico–United States border
2817606