The structure and stratigraphy of the Columbia River Basalt in the Hood River Valley, Oregon
The Hood River Valley, located 100 kilometers east of Portland, Oregon, is in the transition zone between two geologic provinces--the High Cascades and the Columbia Plateau. The entire valley is probably underlain by Columbia River Basalt, but it crops out only on steep hillsides and in stream valle...
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Format: | Others |
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PDXScholar
1979
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Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/2938 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=3946&context=open_access_etds |