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News Release 11-244
Evidence Emerges of Ancient Lake in California's Eel River
Ecological changes from lakebed may have led to two different populations of once-related steelhead trout
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View down the Eel River, with the reconstructed ancient lake surface in blue.
Credit: Ben Mackey, Caltech
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Nefus Peak, the source of the ancient landslide that formed the lake.
Credit: Ben Mackey, Caltech
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The modern Eel River is shown here, in blue. The landslide scar is visible in black.
Credit: Ben Mackey, Caltech
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The Eel River at the dam site. Much of the evidence for the dam has been eroded over time.
Credit: Ben Mackey, Caltech
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Fine silt and mud were found upstream, indicating sediments in the still waters of a lake.
Credit: Ben Mackey, Caltech
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The lake's shore cut into the opposite hillslope, forming broad, flat areas shown in contours.
Credit: Ben Mackey, Caltech
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