Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of the Hamme tungsten district, Vance County N.C. and Mecklenburg County, Va.
Investigation of iron-ore reserves of Iron County, Utah :(supplement to R.I. 4076)
Shaped charges applied to mining:
Investigation of Majuba Hill copper-tin mine Pershing County, Nev.
Estimated cost of producing heavy fuel oil by hydrogenation of coal
Investigation of Arkansas bauxite.
Edison Spodumene Mine, Pennington County, S. Dak.
Amine volatility and alkalinity in relation to corrosion control in steam heating systems
Synthetic liquid fuels from hydrogenation of carbon monoxide.
Stress analysis applied to underground mining problems.
An investigation of a laboratory test for determination of the free-swelling index of coal
Preparation characteristics of anthracites in the Santa River Valley, Peru
A method for spectrochemical determination of silver in ore samples
Flake-graphite and vanadium investigation in Clay, Coosa, and Chilton counties, Ala.
Churn drilling at Cape Mountain tin placer deposits Seward Peninsula, Alaska
Safety Practices in Dredging and Hydraulic Mining
Formation sampling with large-diameter drill holes at Fort Randall Dam site, South Dakota
Quarrying methods and practices, U.S. Lime Products Corp., Clark County, Nev.
Questions and answers on propane and butane fuels
Publications of the Bureau of Mines on coal washing
Bibliography of investment and operating costs for chemical and petroleum plants
Review of literature on conditioning air for advancement of health and safety in mines.
Petroleum refineries, including cracking plants, in the United States, January 1, 1949
Average heating values of American coals :by rank and by states
Observations of safety practices and conditions in Japanese coal mines
Report of Petroleum and Natural-gas Division :fiscal year 1945
Operations and safety at the Retsof Rock Salt Mine
Conveyor systems in underground iron-ore mines, Lake Superior district
Fire fighting facilities at four Pennsylvania bituminous-coal mines
Reopening and developing a small red-iron-ore mine, Gadsden, Ala.
Method and cost of driving the Rock Creek Tunnel, Hecla Mining Co., Shoshone County, Idaho
Phosphate rock mining in southeastern Idaho
Report of Petroleum and Natural-gas Branch :fiscal year 1948
Mining methods at the brucite deposit, Basic Refractores, Inc., Gabbs, Nye County, Nev.