Volunteers across the state observe when the ice first covers the lake in the fall/winter, and when the ice melts in the spring. This information has been used to help with climate change studies.
Wisconsin Department of Natural Resources | 101 S. Webster Street . PO Box 7921 | Madison, Wisconsin 53707-7921Call 1-888-936-7463 (TTY Access via relay - 711) from 7 a.m. - 10 p.m.
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