WDAY: The News Leader

Published February 08, 2013, 02:25 PM

Coal sales investigated by feds; no violations yet

BILLINGS, Mont. (AP) — The U.S. Department of Interior is investigating whether mining companies are skirting royalty rules as they increase exports of coal to Asia, but no violations have yet been issued, federal officials disclosed Friday.

By: MATTHEW BROWN,Associated Press, Associated Press

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