| http://www.w3.org/ns/prov#value | - The sluice pan is constructed of light weight material such as aluminum and may be hand held during operation. said hopper having a forward wall extending downward into the sluice trough terminating in a throat edge which is vertically spaced from the trough bottom wall directly overlying the intersection of the rear wall of the hopper and the bottom wall of the sluice trough; and
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