Browse TRAIL Inventories

Underground chute gates in metal mines

Gold Mining and Milling in the United States and Canada: Current Practices and Costs

Sampling and Estimation of Ore Deposits

Lead and Zinc Mining and Milling in the United States: Current Practices and Costs

Waste filling of stopes

Annual report of the Mining Division, fiscal year 1939

Metal-Mining Practice

Annual Report of the Mining Division, Fiscal Year 1941

Annual Report of the Mining Division, Fiscal Year 1942


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