The U.S. Forest Service plan to log nearly 900 acres and build several miles of new roads in the upper part of the Sunlight Creek drainage not far from the eastern border of Yellowstone National Park is anything but routine. It goes to the heart of an escalating national debate over the fate of millions of acres of federal forests without roads, steadily shrinking wild lands that provide important refuge for animals and give human visitors a sense of what the western landscape was like before European settlers.