Search U.S. government technical reports digitized or harvested by TRAIL.
The sugar-tube method of determining rock dust in air
Review of literature on effects of breathing dusts with special reference to silicosis.
Review of literature on effects of breathing dusts with special reference to silicosis.
Review of literature on effects of breathing dusts with special reference to silicosis.
Review of literature on effects of breathing dusts with special reference to silicosis.
Review of literature on effects of breathing dusts with special reference to silicosis.
Effect of angle of drilling on dust dissemination
Relation of dust concentration to depth of hole during wet drilling
Petrographic identification at atmospheric dust particles