Gulf of Mexico - south-east <--- maybe your answer
Atlantic Ocean - east
Pacific Ocean - east
The Sea of Cortez and the Gulf of Mexico.
The Rio Grande.
new hampsire
Rio Grande
Border? It is on the southern US border.
The Country that shares the southern Border with the US is Canada.
The southern border of the US is primarily located along the countries of Mexico.
Mexico is the country on the southern border of the United States.
The US state of South Dakota is the southern border of North Dakota.
Rio Grande forms the Southern border of the United states.
The U.S. southern border is formed by Mexico and the Gulf of Mexico.
Northern border is Canada Southern border is Mexico
Mexico
Mexico
The U.S. southern border is formed by Mexico and the Gulf of Mexico.
The U.S. southern border is formed by Mexico and the Gulf of Mexico.