Mine workers prop a mine shaft with timber at the zinc mine in Franklin,New Jersey. Shift boss warns workers from projecting spikes in timber lying on ground. A worker drops on spike left in a wooden brace. Fellow miners strap the injured worker on a stretcher.
Mine workers load a chute car at zinc mine in Franklin,New Jersey. Workers use removable end-boards to prevent ore chunks from falling off the ends of chute car. Few workers avoid use of end-boards on the chute car. As a result an ore chunk falls on a worker's foot.
Zinc mine worker pushes a chute car at the zinc mine in Franklin New Jersey. Miner keeps his hands on top edge of the car. Projecting chunk strikes the chute-lip and rolls on the miner's arm.
Mine captain shows worker the proper way of tying dynamite on a stick at Zinc mine in Franklin,NJ. Worker climbs up the chute and places the dynamite to blast the chunks out of the way.
Zinc mine worker pulls a chute car carelessly at zinc mine in Franklin,New Jersey. The worker gets squeezed in between the car and a timber post.
Two mine workers push chute car loaded with zinc-ore on track at the zinc mine in Franklin,New Jersey. End-door of the chute car opens and the ore is dumped.
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