The owner of Granite Peak Ski Area in Rib Mountain has filed plans with the Wisconsin Department of Natural Resources for an expansion project that would add lodging, ski areas and other recreational offerings that calls for the business to lease 150 more acres of Rib Mountain State Park. The expansion would cost an estimated $50 million. Granite Peak owner Charles Skinner said the existing ski areas are too crowded and the business needs to expand to survive in the long-term. Plans call for expanding…