Search U.S. government technical reports digitized or harvested by TRAIL.
A million tons of anthracite mined without a fatality
Methane-indicating detectors prove dependable in sampling air in anthracite mines
Some observations on the causes, behavior, and control of fires in steep-pitch anthracite mines
Composition and inflammability of gaseous distillation products from heated anthracite
Some phases of haulage accident prevention in anthracite mines