Photo: Tahquamenon Falls, Michigan, courtesy Philip Greenspun

Mackinac Chapter
http://michigan.sierraclub.org
109 East Grand River
Lansing, MI 48906
Phone:517-484-2372/ Fax:517-484-3108
mackinac.chapter@sierraclub.org

Midwest Field Office
122 W. Washington Ave., Suite 830
Madison, WI 53703
Phone: 608-257-4994/ FAX 608-257-3513
mw.field@sierraclub.org
What are chapters, groups, and field offices?

Did you know?
The Great Lakes hold 80% of North America's surface freshwater.