Search U.S. government technical reports digitized or harvested by TRAIL.
Diamotite as a filler in battery boxes
Official changes in the active list of permissible explosives and blasting devices for March, 1931
Official changes in the active list of permissible explosives and blasting devices for April, 1931
Official changes in the active list of permissible explosives and blasting devices for August, 1931
Official changes in the active list of permissible explosives and blasting devices for January, 1931
Washability studies of the Mary Lee bed at Hull Mine, Dora, Ala.
Flotation tests on converter slag
Extraction of soluable copper from ores in leaching by percolation
Properties of California crude oils.
Consumption of explosives in May, 1931.
Absorption of nitrogen by steel
The use of aluminum for oil lease tanks.
Reduction of evaporation losses from gasoline bulk-storage station tanks
Consumption of explosives in June, 1931
Survey of fuel consumption at refineries in 1930
A study of the properties of polyhalite pertaining to the extraction of potash.
Twenty-second semiannual motor gasoline survey
The use of aluminum for oil lease tanks.
A study of falls of roof and coal in mines in the number 8 field of eastern Ohio
The production of high-manganese slag in the electric furnace
New manganese-silicon alloys for the deoxidation of steel
Washability studies of the Black Creek Bed at Bradford Mine, Dixiana, Ala.
The propulsive strength and rate of pressure development of the Cardox blasting device
Separation of cyanite and mica from quartz, feldspar, and other gangue minerals of a mica schist
Twenty-second semiannual motor gasoline survey
Smelting in the lead blast furnace :Handling rich charges.
A study of the properties of Texas-New Mexico polyhalite pertaining to the extraction of potash.
The acidity of several Pennsylvania streams during low water
Determination of magnetite in copper slags
A novel method of ventilating a Pennsylvania coal mine
Hydrogen-sulpfide content of the gas in some producing oil fields
A study of the properties of Texas polyhalite pertaining to the extraction of potash.
Oxygen as an aid in the dissolution of silver by cyanide from various silver minerals
Trends in the production and uses of granite as dimension stone
Recent developments in by-products from bituminous coal
Smelting in the lead blast furnace handling rich ores.
Roof support in coal mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland County, Pa.
Tests on brick kilns fired with a stoker
Active list of permissible explosives and blasting devices approved prior to June 30. 1931.
Apparatus for the determination of hydrogen sulphide in gases
Consumption of explosives in April, 1931
Added recovery by hydraulic sizing of fine material in the land-pebble phosphate district of Florida
Review of fatalities in the California petroleum industry during the calendar year 1930
A device for determining work input to a laboratory ball mill