Report on a proposition to construct a 15-mile tunnel through the Continental Divide in Colorado for the American Mines Syndicate Company, Clear Creek and Summit counties
Author
Van Wagenen, Theodore F. (Theodore Francis)American Mines Syndicate Company
United States. Bureau of Mines
Date
1911Keywords
Tunneling -- Colorado -- Clear Creek CountyTunneling -- Colorado -- Summit County
Mines and mineral resources -- Colorado -- Clear Creek County
Mines and mineral resources -- Colorado -- Summit County
Georgetown-Montezuma Mining District (Colo.)