The Colorado River forms the western boundary between Arizona and California
The Colorado River forms the west boundary of Arizona with California and Nevada.
The Colorado River forms the boundary between Arizona and California.
Nevada and Arizona.
The Colorado River on its way to the Sea of Cortez.The Colorado River.The Colorado River, which is the same river that runs through the Grand Canyon, forms the boundary between California and Arizona.The Colorado River.
The Mississippi River forms the western boundary of the State of Illinois.
The physical feature that forms Uruguay's western boundary with Argentina is the Uruguay River. It also forms part of the Brazilian-Argentine border.
america
Arizona and Nevada.
The Mississippi River forms the western boundary of Tennessee.
Mississippi river
The Atlantic Ocean.