Search U.S. government technical reports digitized or harvested by TRAIL.
Bureau of Mines activities in the field of building materials
Mining and grinding methods and costs at the Malvern Clay Co. mine, Malvern, Ohio
Progress report no. 3 on investigation of detachable rock-drill bits
Reconnaissance of mining districts in Clark County, Nev.
Reconnaissance of mining districts in Mineral County, Nev.
Origin and petrographic composition of the Lower Sunnyside coal of Utah
Gold lode mining in the Tobacco root mountains, Madison county, Mont.
Mining methods and costs at the Mount Isa Mines, Ltd., Mount Isa, Queensland, Australia
Ventilation at the anthracite collieries of the northern Pennsylvania field
List of permissible mine equipment :approved to January 1, 1937
Annual report of the Mining Division for the fiscal year 1937
Occurrence and treatment of mercury ore at small mines
Mining and milling methods and costs at the glass-sand plant of P.J. Weisel, Inc., Corona, Calif.
Suggested procedure for conducting first-aid and mine rescue contests
Tests of the compressibility and bearing strength of potash salt
Relative value of gypsum and anhydrite as additions to Portland cement
Bibliography of United States Bureau of Mines investigations on coal and its products, 1910-35,
Chemistry of the anhydrous chlorides of chromium :a thermodynamic investigation
West Virginia coal-mine accident costs and data -July 1, 1929 to June 30, 1934
Explosion in school building at New London, Tex., March 18, 1937
A method of determining porosity :a list of porosities of oil sands
Cooperative fuel research motor-gasoline survey, summer 1937
Permissible electrically operated room hoists
Behavior of flame safety lamps in mine atmospheres deficient in oxygen
Progress reports - metallurgical division.
Progress reports - metallurgical division.
Survey of fuel consumption at refineries in 1935
Progress reports - metallurgical division.
Properties of California crude oils.
Permissible electrically operated hand-held coal drills
Progress reports - metallurgical division.
Low-temperature distillation tests of subbituminous coal from the Denver region coal field, Colorado
Progress reports - metallurgical division.
Progress reports - metallurgical division.
Progress reports - metallurgical division.
Beneficiation of spodumene by decrepitation
Cooperative fuel research motor-gasoline survey, summer 1936
Application of sand filters to oil-field brine-disposal systems
Analyses of crude oils from some fields of Michigan
The importance of adequate voltage for distribution systems in coal mines
Cooperative fuel research motor-gasoline survey, winter 1936-37