In 1972, a 3,300-acre preservation effort began protecting the Elk River Chain of Lakes in Michigan. More than 50 years later, monitoring shows water quality remains healthy

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More than half a century ago, a conservation effort in northern Michigan set out to protect an extraordinary network of waterways, and its legacy continues to demonstrate the value of long-term environmental stewardship. The preservation effort that began in 1972 reflected a growing recognition that Michigan’s freshwater resources needed long-term protection.