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A Journey to a New Land

Bison
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Fraser Valley Deglaciation

Beginning about 13,000 years ago, a warming climate caused the Cordilleran Ice Sheet to break up into individual ice flows. By 11,500 years ago the Fraser Valley in British Columbia was virtually ice-free and local sea level was dropping. Large lakes and streams formed from glacial meltwater and dominated the landscape for a time. By about 4,500 years ago, sea levels had stabilized, meltwater had drained and the valley was a broad marsh.

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