Various times.
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Volunteer Stewardship Workday: Ann Arbor Natural Area Preservation Division.:

Sept. 10, 11, 17, 18, 24, 25. All invited to help maintain natural areas and remove invasive plants in various city parks. Wear long pants and closed-toe shoes and bring heavy gloves; tools, snacks, & know-how provided. Minors must be accompanied by an adult or obtain a release form in advance. Sept. 10 (9 a.m.–noon): Mary Beth Doyle Nature Area, corner of Cardinal Ave. and Sharon Dr. Sept. 11 (9 a.m.–noon): Olson Park, entrance on Dhu Varren Rd. just east of Pontiac Tr. Sept. 11 (1–4 p.m.): Sunset Brooks, entrance on Sunset Rd. at the end of Brooks St. Sept. 17 (9 a.m.–noon): Marshall Nature Area, parking lot off Dixboro Rd., north of Plymouth Rd. Sept. 18 (9 a.m.–noon): Dolph Nature Area, trailhead off Parklake Ave., just south of Lakeview Dr. Sept. 18 (1–4 p.m.): Lakewood Nature Area, entrance on Sunnywood Dr. Sept. 24 (9 a.m.–noon): Oakwoods Nature Area, entrance off Dunwoodie. Sept. 25 (1–4 p.m.): Argo Nature Area, Longshore Dr. at Amherst Ave. Various times and locations. Free. Preregistration highly recommended. bit.ly/a2stewardworkday, 794–6627.

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