North of 60 Mining News - The mining newspaper for Alaska and Canada's North

In a major setback for building a mine at the largest undeveloped deposit of copper, gold, and rhenium known to exist on Earth, the U.S. Army Corps of Engineers has denied federal permits for the Pebble project in Southwest Alaska.

Pebble has been roiled in controversy, largely due to its proximity to the Bristol Bay watershed, which hosts a world-class salmon fishery.

Pebble proponents have sa...