Search U.S. government technical reports digitized or harvested by TRAIL.
Some suggestions on safety in coal-mine haulage
Truck vs. rail haulage in bituminous-coal strip mines
Some phases of haulage accident prevention in anthracite mines
Underground transportation of coal :Progress report 1
Underground transportation of coal :progress report [No.] 2
Transportation of iron ore, underground mines, Lake Superior district
Performance of a diesel mine locomotive
Design of surface mine haulage roads :a manual
Fugitive dust control for haulage roads and tailing basins
Surface testing and evaluation of the conveyor belt service machine
Surface testing and evaluation of the multiple-unit continuous haulage system
Basic parameters of conveyor belt cleaning
Reducing back injuries in low-coal mines :redesign of materials-handling tasks