Various times.
Observer EditorObserver Editor, FreeFree
Annual Winter Stonefly Search: Huron River Watershed Council.:

All invited to join one of 2 sessions that are part of a watershed-wide hunt, with experienced researchers, for these elusive river insects, which are active only in winter when fish are sluggish. Dress for the weather. Children must be with an adult. 9 a.m.–1 p.m. & 10:30 a.m.–2:30 p.m., meet at 117 N. First St., ste. 100. Free, preregistration required at HRWC.org/volunteer/stonefly. 769–5123.

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