Search U.S. government technical reports digitized or harvested by TRAIL.
Hot high-nitrogen gas in a metal mine
Rock strata gases in mines of the East Tintic mining district, Utah
Resistance of Metal-Mine Airways
Why, when, and how to make ventilation surveys of metal mines
Experiments on mine-fan performance
Ventilation of the Large Copper Mines of Arizona
Mine ventilation in the Coeur d'Alene mining district
Pressure losses due to bends and area changes in mine airways
Natural Ventilation of Michigan Copper Mines
Economic size of metal-mine airways
Engineering Factors in the Ventilation of Metal Mines
Charts for determining the performance of centrifugal fans
Ventilation at the anthracite collieries of the northern Pennsylvania field
Some observations on the causes, behavior, and control of fires in steep-pitch anthracite mines
Air flow at discharge of fan-pipe lines in mines.
Air flow at discharge of fan-pipe lines in mines.
Analyses of Pennsylvania Anthracitic Coals
Design of Injectors for Low-Pressure Air Flow
Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49
A network analyzer for solving mine-ventilation-distribution problems