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Scientists Used Aerial Imaging And A Map From 1868 To Prove That Beaver Dams Can Endure For Centuries, With 72% Of The Mapped Dams Still In Tact Over 150 Years Later
In the 1860s, he arrived in Michigan’s Upper Peninsula ... In 2018, experts took a look at Morgan’s map and realized that most of the beaver dams he had recorded were still standing.
Wall Street Journal7mon
Flood Waters Overwhelm Central Michigan as Dams Break
Michigan’s governor declared a state of emergency and thousands of people were forced to evacuate after the Edenville and Sanford Dams in the center of the state were breached, following days of ...