Reports of the Calumet and Arizona Mining Co., Calumet and Pittsburg Mining Co., Lake Superior and Pittsburg Mining Co., Pittsburg and Duluth Mining Co., & Junction Development Co. for the year ..
Reports of the Calumet and Arizona Mining Co., Calumet and Pittsburg Mining Co., Lake Superior and Pittsburg Mining Co., Pittsburg and Duluth Mining Co., & Junction Development Co. for the year ...