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- Placer mining in the western United States :part 1. general information, hand-shoveling, and ground-sluicing
- Placer mining in the western United States :part II. Hydraulicking, treatment of placer concentrates, and marketing of gold
- Placer mining in the western United States :part III. Dredging and other forms of mechanical handling of gravel, and drift mining
- Copper Mining in North America