The anthracite region of northeastern Pennsylvania, five hundred square miles of rugged hills stretching between Tower City and Carbondale, harbored coal deposits that once heated virtually all the homes and businesses in Eastern cities. At its peak during World War I, the coal industry here employed 170,000 miners, and supported almost 1,000,000 people. Today, with coal workers numbering 1,500, only 5,000 people depend on the industry for their...