From Michigan State University Extension:
The addition of four new counties, Baraga, Dickinson, Marquette and Menominee to the long list of those subject to emerald ash borer quarantine regulations was announced by the Michigan Department of Agriculture and Rural Development on Feb. 10. This leaves only Gogebic, Iron and Ontonagon on the western end of the Upper Peninsula that are outside of the restricted area.
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Photo: David Cappaert, Michigan State University, Bugwood.org