Search U.S. government technical reports digitized or harvested by TRAIL.
Research activities in the mineral industries of the United States
Annual report of the Mining Division, for the fiscal year 1938
Transportation of mineral commodities on the inland waterways of the south-central states,
Trends in the minerals industry, 1970
Technologic trends in the minerals industry, 1971
Technologic and related trends in the mineral industries, 1972
Technologic and related trends in the mineral industries, 1973,
The impact of U.S. railroad abandonment on domestic mineral industries
Mineral depletion allowances and U.S. import dependence