Cataclysms on the Columbia
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the great Missoula floods
The 'big bang' effect on the Columbia River in times past:
"It is now generally agreed that between 15,000 and 18,000 years ago around 40 to 90 tremendous deluges of almost inconceivable force and dimension swept across large parts of the Columbia River drainage. Swollen by the floodwaters,... Read More »
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