JUNEAU - A federal agency is providing more time for the state and the group behind the proposed Pebble Mine to provide information showing development at the site would not result in "unacceptable" environmental impacts.

The U.S. Environmental Protection Agency has initiated a process that could lead to it prohibiting or restricting development of a massive gold-and-copper prospect in the Bristol Bay region.

The state, Pebble Limited Partnership and U.S. Army Corps of Engineers had 15 days from the Feb. 28 announcement to submit information showing no "unacceptable adverse" impacts to waters would occur or to show that actions could be taken to prevent such impacts.

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