books.google.com - Few American cities reflect the challenges and promise of a twenty-first-century economy better than Pittsburgh and its surrounding region. Once a titan of the industrial age, Pittsburgh flourished from the benefits of its waterways, central location, and natural resources-bituminous coal to fire steel...http://books.google.com/books/about/Pittsburgh_And_the_Appalachians.html?id=9qTdSl2CkzkC&utm_source=gb-gplus-sharePittsburgh And the Appalachians
