Missouri River
The Potomac River
The Columbia River forms most of the border between Oregon and Washington before flowing into the Pacific Ocean.The river that forms part of the border between two northwestern states and flows into the Pacific Ocean is the Columbia river.
The Columbia River forms most of the border between Oregon and Washington before flowing into the Pacific Ocean.The river that forms part of the border between two northwestern states and flows into the pacific ocean is the Columbia river.
Columbia River
The American river?
Colorado river
The American river?
The American river?
The American river?
Ohio River
Columbia river? DHS Homework? yeah