ILLUSTRATIONS

PAGE
[Utah Copper Company's Open Pit Mine, Bingham, Utah]Frontispiece
[Hacket Mine and Mill, Joplin, Mo.]12
[Coal Washing Plant, Pana, Illinois]17
[Universal Mine, Clinton, Ind.]20
[Kennedy Mine, Jackson, Cal.]31
[A Gilpin County, Col., Scene]53
[Dredges of Yuba Consolidated Goldfields, Hammonton, Cal.]66
[The Snowstorm Placer, Fairplay, Col.]70
[Steam Shovels and Churn Drills, Copper Flat, Ely, Nev.]74
[Mill of the Pittsburg-Silver Peak Gold Mining Co., Blair, Nev.]88
[Mills and Shaft House of Daly West Mine, Park City, Utah]100
[Shaft No. 3, Tamarack Mining Co., Calumet, Mich.]114
[Smeltery of the Balaklala Consolidated Copper Co., Coram, Cal.]114
[Washoe Reduction Works of the Anaconda Copper Mining Co., Anaconda, Mont.]119
[Mill of the Roodepoort-United Mines, Transvaal, South Africa]148
[Spray Shaft House of Copper Queen Consolidated Mining Co., Bisbee, Ariz.]161
[Diagram of Metal Market for One-third of a Century]178
[Florence Mine and Mill, Goldfield, Nev.]201