The Columbia River forms a major part of the border between the states of Oregon and Washington.
The Columbia River forms a border between the state of Washington and Oregon. This river is 1,243 miles in length and its mouth is the Pacific Ocean.
Columbia river
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Columbia river
The Columbia River.
The Columbia River.
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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 Columbia river starts high up in the Canadian Rockies, in the Province of British Columbia. It turns south, down through the state of Washington, where it then turns West, and forms the boarder between Washington and Oregon. The river empties into the Pacific Ocean.
The Columbia River lies between the States of Washington and Oregon, and forms the border between the two.