SILVER CITY, Mich. (AP) — A company that is conducting exploratory drilling for copper at Porcupine Mountains Wilderness State Park has interrupted the search because of mild weather.
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Fri, 02/24/2017 - 3:25am
SILVER CITY, Mich. (AP) — A company that is conducting exploratory drilling for copper at Porcupine Mountains Wilderness State Park has interrupted the search because of mild weather.