Search U.S. government technical reports digitized or harvested by TRAIL.
Storage of explosives in underground mines of the Lake Superior District
Mining and marketing of barite
A graphical form for applying the Rosin and Rammler equation to the size distribution of broken coal
European shale-treating practice
Annual report of research and technologic work on coal :fiscal year 1945
A plan for training mine officials in rescue organization and disaster prevention
Explosives-handling practices at the mines of the Anaconda Copper Mining Co. at Butte, Mont.
Extraction and uses of beryllium in Germany
Report of petroleum and natural-gas division :fiscal year 1944
The German steel castings industry
Perlite, source of synthetic pumice
Safety record of mine no. 7, Island Creek Coal Co., Holden, Logan County, W. Va.
Review of Fischer-Tropsch and related processes for synthetic liquid fuel production
Coal-research activities of the Bureau of Mines
Some data about fire-fighting facilities at metal mines in the United States
Alaska's minerals as a basis for industry
Description of typical mine-telephone systems and suggestions for making improved installations
Description of the Eickhoff-Schr©·amlader longwall coal-cutting and loading machine
Home insulation with mineral products :conserves fuel, reduces cost, increases comfort
Concentration of bauxite for milling in the 50-ton Bureau of Mines Pilot Plant, Bauxite, Arkansas
Diamond-drilling blast holes, eastern Magnetite Mine A
Continuous hydraulic classification :constitution of the teeter column throughout its depth
Pilot-plant investigations preparation of alumina from potassium alum
National motor-gasoline survey :summer 1946
Rapid specific-gravity method for estimating the iron content of Birmingham, Ala., red ores
Exploration of the Jumbo Basin iron deposit, Prince of Wales Island, southeastern Alaska
Clark Fork lead-zinc district, Bonner County, Idaho
Exploration of the Minarets iron deposit, Madera County, Calif.
Tri-state zinc-lead ore reserves
Exploration of Poor Man iron deposit, Kasaan Peninsula, Prince of Wales Island, southeastern Alaska
Exploration of Cape Mountain lode-tin deposits, Seward Peninsula, Alaska
Treatment of acid mine water for breaker use in the anthracite region of Pennsylvania
Inspection standards for strip mines(coal and lignite).
Survey of literature on the metallurgy of zirconium
Extraction and uses of lithium in Germany
Mining and milling operations of the Southwestern Graphite Co., Burnet County, Tex.
Carbonizing properties of Eagle-bed coal from Prospect shaft, Carbon, Kanawha County, W. Va.
The bicarbonate process for the production of magnesium oxide