Rio Grande forms some of the border.
The Rio Grande forms part of the US border with Mexico, while the St. Lawrence River forms part of the border between the US and Canada.
Rio Grande forms the Southern border of the United states.
Rio grande
The Rio Grande forms part of the border between the US and Mexico.
he Rio grANDE
The St. Lawrence River.
Yes, the Rio Grande forms part of the US border. So does the St. Lawrence.
the Rio Grande
the Rio Grande.
Rio grande
Rio Grande
The Rio Grande