Search U.S. government technical reports digitized or harvested by TRAIL.
Review of literature on conditioning air for advancement of health and safety in mines.
Index to location of stone quarries in the United States
Prevention of premature shots during springing of deep drill holes in quarries and open-pit workings
Crude oil and gasoline pipe lines in the United States May 1, 1941
Iceland spar and optical fluorite
Marketing natural mineral pigments
Directions for laboratory mineral sizing
Development of the sand and gravel industry
Marketing silica (quartz, tripoli, diatomite, etc.)
The legendary "White Metal" and its "ore"
Tentative coal-mine inspection standards
List of permissible mine equipment approved to January 1, 1942
New process for controlling mercury vapor
Standard methods for measuring extent of atmospheric pollution
High-grade dolomite deposits in the United States
Home insulation with mineral products :conservation of fuel for war
Use of diesel engines in tunnels
Health hazards from inadequate coal-mine ventilation
Proposed methods and estimated costs of mining oil shale at Rulison, Colo.
Magnesium-bearing minerals in the Boulder Dam area for the production of magnesium metal
Questions and answers on storage of coal in the Rocky Mountain area
Dredging Pennsylvania anthracite
Pointers on the storage of coal
Findings from major studies of fatigue
Some suggestions on the safe use of refrigerants
Field performance of permissible electric cap lamps
Novel first-aid instructors association
Mining and milling methods and costs at the Yellow Pine Mine, Stibnite, Idaho
Lightweight aggregates for concrete
Methods and costs of concentrating h©·ubnerite ores at the Ima tungsten mine, Lemhi County, Idaho
Marketing kyanite and allied minerals
Some information on automatic coupling of mine cars
Stenches for emergency warnings in metal mines
Device for sampling material carried by silt-bearing streams
Some information on the transportation, storage, and handling of lubricants in and about coal mines
List of respiratory protective devices approved by the Bureau of Mines
Selection, use, and maintenance of respiratory protective devices
Tentative bituminous-and lignite-mine inspection standards :revised September 1943