Initial Erosion of Marmot dam

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Figure 2: Time lapse photographs of the first 14 hours of erosion. The concrete dam has already been removed and the cofferdam is visible in the photograph. The breaching is being initiated in the 1714 PDT photo by a forklift carving a small notch in the top of the cofferdam.

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Last Modified: 2009-12-29 12:14:40
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