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Earn +20 ptsQ: Why is the Columbia River important?
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Which river between the present day states of Washington and Oregon was an important trade highway for the Indians of the pacific northwest coast?
The river flowing between Washington and Oregon is the Columbia River.
What are the rivers in the Columbia Plateau region?
Well, there is a bit of the Columbia river, the snake river, AND spokane river. There may be thers but I know these ones are there.
When did Lewis and Clark reach the Columbia River?
1805
What two rivers did Lewis and Clark explore?
Lewis and Clark explored Missouri River, and Columbia River.
Where is grand coulee dam located?
Washington
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