Search U.S. government technical reports digitized or harvested by TRAIL.
Underground loading devices in metal mines
The determination of carbon monoxide in mines with the "iodine pentoxide" detector
Electrical accident prevention
Some runaway car trips on inclines at coal mines
The significance of the Bureau of Mines approval of gas masks
Investigation of electrical equipment, safety lamps, and gas detectors for safety
Work of the Bureau of Mines safety cars in the Pennsylvania anthracite region from 1934 to 1939
Use and misuse of flame safety lamps
Mine rescue life-line telephone assemblies
Some studies on emergency mine communications
Miniature bilevel alarm for oxygen-deficient atmospheres
Evaluation of chemical-cartridge respirator face fit
Continuous working-level measurements using alpha or beta detectors
Continuous recorder to monitor mine roof displacement
Gas-sampling capability of vacutainers
In-mine evaluation of underground fire and smoke detectors
Flexible, fiberoptic stratascope for mining applications
Protection factors of the airstream helmet
Computerized, remote monitoring systems for underground coal mines :fires and explosive atmospheres
Microseismic instrumentation developments :a tape triggering system and energy analyzer
Design criteria for rapid-response pneumatic monitoring systems
Ground penetrating radar :a review of its application in the mining industry