In hydraulic mining, a grating regularly get and throw out large stones through the sluices.
A grizzly bear. See under grizzly, a.
In hydraulic mining, gratings used to capture and dispose off big stones from sluices.
; pl. grizzlies (-liz). 1. The grizzly bear, Ursus horribilis. See I.
In mining: An arrangement in the sluices used in washing auriferous gravel for getting and tossing out of the huge stones carried down because of the current.
In Australia, a coarse grating of timber for splitting huge bits of quartz from decomposed rock with which they are linked, in some associated with types of granitic dikes containing auriferous quartz strange to this region.
A machine utilized for breaking coal or any other product to a moderately small size.
effective brownish-yellow bear for the uplands of western the united states