rock-sluice

Updated: September 16, 2025

But, on the other hand, cleaning up is more difficult and tedious in a rock-sluice, and so is the putting down of the false bottom after cleaning up. The stones used are cobbles, six or eight inches through at the greatest diameter, and usually flattish.

John S. (John Shertzer) Hittell - Hittel on Gold Mines and Mining