The new lease allows up to 750,000 tons of ore and concentrations be shipped through the facility annually.
The U.S. Army Corps of Engineers has finalized a wastewater and tailings disposal permit for the Greens Creek Mine near Juneau.
During Walker's campaign, he said the first thing he would do as governor would be to issue a declaration of disaster on the cost of energy in Interior Alaska.
The process allows the EPA to restrict or prohibit projects that could have adverse effects on fishery areas.
XS Platinum and five of its employees and corporate officers have been indicted by a federal grand jury for alleged illegal discharges of mine waste water at the Platinum Creek Mine into the Salmon River and for making false statements to authorities.
A number of proposed mines close to rivers that flow from British Columbia into Alaska have raised concerns among conservation, fishing industry and Native groups.
The delegates will look at major changes to how the YK Delta is governed through four main resolutions under discussion.
Delinquent mines collectively have an average injury rate 50 percent higher than that of mines that paid their fines.