Premium content Audio presentationShow only premium updatesJuly 2, 2010 LIBRARY: City Stands Above Acres of Fire (1909)August 11, 2009 LIBRARY: The Spenceville Copper MineJuly 16, 2009 LIBRARY: Gold Districts of CaliforniaJuly 16, 2009 LIBRARY: Distribution of Principal Gold Producing Districts of the United StatesJuly 16, 2009 LIBRARY: Historic Gold ProductionJuly 16, 2009 LIBRARY: Two Montana Cities Part II ButteJuly 16, 2009 LIBRARY: Principal Gold Producing Districts of the United StatesJuly 16, 2009 LIBRARY: The Legacy of the Bunker Hill MineJuly 16, 2009 LIBRARY: Two Montana Cities Part I HelenaJuly 16, 2009 LIBRARY: The Colorado Silver Boom ← 1...11121314 →
