Search U.S. government technical reports digitized or harvested by TRAIL.
Precautions to be observed in entering abandoned exploratory shafts and pits
Lignite carbonization :carbonized residue briquets
The relative safety of brass, copper, and steel gauzes in miners' flame safety-lamps
Hot high-nitrogen gas in a metal mine
Water-gas apparatus and the use of central district coal as generator fuel
Coke-oven accidents in the United States :during the calendar year 1920
The sugar-tube method of determining rock dust in air
Coal and coke mixtures as water-gas generator fuel
Properties of typical crude oils from the Eastern producing fields of the United States
The value of oxygen breathing apparatus in mine rescue operations
Investigation of dust in the air of granite-working plants
Work of the Alaska Mining Experiment Station of the U.S. Bureau of Mines
Some factors affecting losses of coal in mining
Slate dust in asphalt road-surface mixtures
Rock strata gases in mines of the East Tintic mining district, Utah
Leaching iron ores for phosphorus
Sanitation in planning and developing oil-shale camps
Accidents at metallurgical works in the United States during the calendar year 1919
Relation of drilling campaign to income from oil properties
Application of the geophone to mining operations
Safe mechanical equipment for use in shaft sinking
Production of gasoline by cracking heavier oils
Factors in the spontaneous combustion of coal
Design and operation of a low-pressure absorption plant
The rate of reduction of hematite to magnetite by methane
Properties of typical crude oils from the producing fields of Kansas
Some factors affecting products from destructive distillation of oil shales
Smokeless fuel for Salt Lake City
Properties of typical crude oils from the producing fields of southern Louisiana and southern Texas
Rock strata gases in mines of a Nevada mining district
Properties of typical crude oils from the producing fields of Oklahoma
Determination of suspended matter in gases by collection on filter paper
The New Albany shale of Indiana
Underground hygiene and sanitation