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- Aerial tramways in the metal-mining industry.
- Reconnaissance of placer mining in Boise County, Idaho
- Gold mining in New Mexico
- Gold mining and milling in the Wickenburg area, Maricopa and Yavapai Counties, Ariz.
- Reconnaissance of placer mining districts in Idaho County, Idaho
- Reconnaissance of placer-mining districts in Lemhi County, Idaho
- Aerial tramways in the metal-mining industry :construction and operating costs