<P> The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington , Oregon , and Idaho . It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains , cut through by the Columbia River . In one of various usages , the term `` Columbia Basin '' refers to more or less the same area as the Columbia Plateau . </P>
<P> The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington , Oregon , and Idaho . It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains , cut through by the Columbia River . In one of various usages , the term `` Columbia Basin '' refers to more or less the same area as the Columbia Plateau . </P>
where is the columbia plateau located on a map
where is the columbia plateau located on a map
across parts of the U.S. states of Washington , Oregon , and Idaho
across parts of the U.S. states of Washington , Oregon , and Idaho