Search U.S. government technical reports digitized or harvested by TRAIL.
Natural mineral-paint extenders
Trends in consumption and prices of building materials
Fires in surface mining and milling structures
Mine-fan signal alarms and power releases
Marketing magnesite and allied products
Supplementing anthracite with other fuels for home heating
Accidents due to misuse of explosives
Summary of state laws pertaining to explosives.
Summary of state laws pertaining to explosives.
Summary of state laws pertaining to explosives.
Summary of state laws pertaining to explosives.
Summary of state laws pertaining to explosives.
Some preliminary data on methods for allaying coal dust in tipples and cleaning plants
Synthetic rubber :its production from petroleum, coal and other material
Permissible mine equipment approved during 1942
Danger from carbon monoxide in the home
The rare alkalis in New England
Tentative inspection standards for anthracite mines
Some suggestions on care in the use and handling of explosives in coal mines
Accidents to children from blasting caps
Possible hazards attending the use of engines operated on butane fuel in mining and tunneling
Suggested hoisting-signal code for metal-mine shafts
Hazards from common gases and vapors encountered at surface disasters
Testing safety catches on mine cages at some eastern bituminous-coal mines
Some of the hazards of auxiliary fans in coal mines
Blasting hazards in strip mines adjacent to underground workings
Prospect trenching with caterpillar-mounted angledozers
Prevention of fires caused by electric arcs and sparks from trolley wires
Bureau of Mines exploration of mercury deposits to June 30, 1944
Successful system for signaling from mine cages at rest or in motion
Precautions to be taken when approaching old mine workings
Fluorescent minerals used in lighting and elsewhere
Use and misuse of flame safety lamps
Permissible mine equipment approved during 1943
Milling and smelting operations of the Magma Copper Co., Superior, Ariz.
Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level
Processes for making barium and its alloys
Permissible mine equipment approved during 1944
Destruction of damaged, deteriorated, or unwanted commercial explosives