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Search U.S. government technical reports digitized or harvested by TRAIL.
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13 results returnedMining methods and costs of the Quartz Hill Mining Co., Dewey, Mont.
Gold lode mining in the Tobacco root mountains, Madison county, Mont.
Gold mining and milling in Idaho County, Idaho
Gold mining and milling in northeastern Oregon
Mining and milling methods and costs of the Golden Anchor Mining Co., Burgdorf, Idaho
Reconnaissance of placer mining districts in Idaho County, Idaho
Reconnaissance of placer-mining districts in Lemhi County, Idaho
Clark Fork lead-zinc district, Bonner County, Idaho
Anderson zinc-lead prospect, Stevens County, Wash.
Investigation of the Minah lead-silver mine, Jefferson County, Mont.
Investigation of Manganese Deposits in the Philipsburg Mining District, Granite County, Montana
Published Year
Subject
- Gold mines and mining--Idaho--Idaho County (2)
- Gold--Milling (2)
- Placer deposits--Idaho (2)
- Gold mines and mining--Montana (1)
- Gold mines and mining--Montana--Madison County (1)
- Gold mines and mining--Oregon (1)
- Lead mines and mining--Montana--Jefferson County (1)
- Lead ores--Idaho--Bonner County (1)
- Lead ores--Washington (State)--Stevens County (1)
- Manganese deposits -- Montana -- Granite County. (1)
- Mines and mineral resources--Montana (1)
- Mining -- Montana -- Granite County. (1)
- Silver mines and mining--Montana--Jefferson County (1)
- Tin mines and mining -- Alaska -- Seward Peninsula. (1)
- Zinc ores--Idaho--Bonner County (1)
- Zinc ores--Washington (State)--Stevens County (1)
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