This photo, taken on June 21, the day after the historic 6- to 10-inch rainfall, shows overtopping at some parts of Minnesota Power’s Thomson Dam. While the overtopping led to flooding in Thomson, Minnesota Power officials say it was not a sign of dam failure. The overtopping happened over spillways that are designed to pass water and alleviate dam pressure during high-water events, officials said. (Photo by Minnesota Department of Transportation)
Read the article: Alarm rang, but Thomson Dam held during flood
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