Search U.S. government technical reports digitized or harvested by TRAIL.
Why, when, and how to make ventilation surveys of metal mines
Experiments on mine-fan performance
Mine ventilation in the Coeur d'Alene mining district
Pressure losses due to bends and area changes in mine airways
Economic size of metal-mine airways
Ventilation at the anthracite collieries of the northern Pennsylvania field
Air flow at discharge of fan-pipe lines in mines.
Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49
A network analyzer for solving mine-ventilation-distribution problems