This descriptive discussion of the Lake Superior country emphasizes geographical features and is directed primarily towards those interested in locating and exp

This descriptive discussion of the Lake Superior country emphasizes geographical features and is directed primarily towards those interested in locating and exp

This comprehensive history of copper mining tells the full story of the industry that produces one of America's most important metals. The first inclusive accou

This descriptive discussion of the Lake Superior country emphasizes geographical features and is directed primarily towards those interested in locating and exp