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- A tumblr site dedicated to the people and places that make up Oregon and Southwest Washington.
It would be informative to have Scott Burns talk about how the Missoula Flood deposits are the source of elevated radon levels throughout much of the Willamette and Columbia river valleys.
Levels as high as 517 pico curies per liter have been recorded in the Metro area - which are the highest radon levels yet found in the Pacific Northwest.
posted 2 years, 7 months ago
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