sluice

Sluice Boxes and Kate

Kate for scale. Powder that passed the floatation level was flowed over sluice tables, another mass-based way of separating gold. I’ve never seen so many of these in one place. Though it was a hardrock mine, it worked more like a placer mine.

Port Sluice Sprays

Sprays of water kept the muddy mixture flowing across the sluices, which filtered out gold particles from gravel and dirty.

Port Sluice Room

Gold, which has a relatively high mass, would drop through the slats of the sluice boxes as the water flowed over them. Around the dredge were a half dozen radiator pipes to keep the water flowing through the machines.

Sluice Door

The sluice room was surrounded in fine grating. The company would want to finely control when the doors would be opened so the gold could be removed under supervision. No yellow bonus for the working man…