Browse TRAIL Inventories

Gold mining and milling methods and costs at the Vallecito Western Drift mine, Angels Camp, Calif.

Gold mining and milling in the Black Canyon area, Yavapai County, Ariz.

Mining and milling methods at the Pilgrim mine, Chloride, Ariz.

Gold mining and milling in Idaho County, Idaho

Gold mining and milling in northeastern Oregon

Saving gold by means of corduroy


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