Reuters: The price of coal will rise sharply if a U.S. appeals court upholds a ruling restricting surface mining in the Appalachian mountains, analysts and industry observers say. The battle over surface, or mountaintop, mining resumes in a Virginia court on Tuesday, and one expert said there could even be power shortages and brownouts if the judge sides with environmentalists over the miners. At the least, several mining companies — Massey Energy Co, International Coal Group, Alpha …