Volunteers help restore the preserve. Earn service hours and a great sense of fulfillment. Unless otherwise indicated, children and youth under age 14 must be accompanied by a responsible adult at all times. Activities may include trail maintenance, invasive plant species removal, brush-cutting, seeding, or planting. Tools provided. Dress for the weather. No pre-registration is required for groups of 10 or fewer. New faces welcome! Please note: When the temperature is below 10 degrees F, a scheduled workday will be cancelled. For information, call Bob Porter, 312.744.5472.