Search U.S. government technical reports digitized or harvested by TRAIL.
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.
Average heating values of American coals :by rank and by states
Observations of safety practices and conditions in Japanese coal mines
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
Mining methods at the brucite deposit, Basic Refractores, Inc., Gabbs, Nye County, Nev.
Change houses in the Lake Superior district
Methods and costs of mining fluorspar from a flat-bedded deposit at Cave-In-Rock, Ill.
Two devices to prevent electric arcs with airdox operations in coal mines
Selected list of references on minerals and related subjects
Mechanical mining in some bituminous-coal mines.
Investigation of limestone deposits near Arlington, Snohomish County, Wash.
Investigation of Whitehorse limestone deposits, Snohomish County, Wash.
Missouri Valley Manganese Deposits, South Dakota.
Investigation of Ely mine copper deposit Orange County, Vt.
Sampling of Helen Beryl pegmatite Custer County, S. Dak.
Investigation of Chestatee copper and pyrite deposit Lumpkin County, Ga.
Studies of the kinetics of coal hydrogenation
Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah
Diamond drilling at the Rambler copper mine, Albany County, Wyo.
Investigation of the Strawberry tungsten deposit, Madera County, Calif.
Investigation of Oat Hill mercury mine Napa County, Calif.
Investigation of Comet Coalition lead-zinc deposit, Lincoln County, Nev.
Investigation of Snowball fluorite deposit, Maricopa County, Ariz.
Investigation of the Cartersville manganese district, Bartow County, Ga.
A study of stray electric currents in airdox systems in coal mines
Investigation of the Dayton iron deposit, Lyon and Storey counties, Nev.
Investigation of the Buckeye manganese deposits, Stanislaus County, Calif.
Effect of high pressures on the flammability of natural gas-air-nitrogen mixtures
Investigation of the Springvale bauxite district, Randolph County, Ga.
Liquidus temperatures and liquid densities of zinc-aluminum alloys
Coal carbonization :effects of blending Pocahontas no. 3 coal with 12 high-volatile A coals
Concentration of manganese ores from Piute and Kane counties, southern Utah
Investigation of Hamilton County bauxite district, Tennessee
A Bureau of Mines method for determining porosity :a list of porosities of oil sands
The determination of low concentrations of hydrogen sulfide in gas by the methylene blue method
Investigation of the McGuffy Creek chromite deposit, Siskiyou County, Calif.
Investigation of the K.T. Dome zinc-lead mine Owen and Henry Counties, Kentucky
Flotation of silver chloride from an oxide ore
Petrographic determination of quartz in the presence of claylike minerals
Diamond drill and auger sampling of vanadiferous shale, Mercu Dome mine, Tooele County, Utah