Browse TRAIL Inventories

Sand and gravel excavation.

Sand and gravel excavation.

Some suggestions on safety in coal-mine haulage

Some phases of haulage accident prevention in anthracite mines

Transportation of iron ore, underground mines, Lake Superior district

Mobile diesel-powered equipment for nongassy noncoal mines and tunnels approved by the Bureau of Mines, 1951-66

Design of surface mine haulage roads :a manual

Surface testing and evaluation of the conveyor belt service machine

Surface testing and evaluation of the multiple-unit continuous haulage system

Reducing back injuries in low-coal mines :redesign of materials-handling tasks


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