Search U.S. government technical reports digitized or harvested by TRAIL.
Permissible mine equipment approved during 1957-58
Factors influencing the design of hydraulic backfill systems (in two parts).
Factors influencing the design of hydraulic backfill systems (in two parts).
Mobile diesel-powered equipment for noncoal mines approved by the Bureau of Mines, 1951-62
Nonuniform radial loads applied to the boundary of a circular hole in an infinite plate