Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More
Kennecott Copper Corporation, On Copper River & Northwestern Railroad,...
Significance: Kennecott's significance lies in its quality, as well as quantity, of high grade ore. The mine also illustrates the history of world and U.S. copper between 1907 and 1938. The rise and decline o... More