Environment News Service: The U.S. Environmental Protection Agency today proposed regulations to protect one of the world's most valuable salmon fisheries, in Bristol Bay, Alaska, from the risks posed by a proposed open pit mine nearly as deep as the Grand Canyon and larger than Manhattan.
This deposit of copper, gold and molybdenum is owned by Northern Dynasty Minerals based in Vancouver, Canada and the Pebble Limited Partnership, based in Anchorage, Alaska. It could become one of the largest open pit mines in the world...