rock (out)

Placer Mining

DCHP-1 (pre-1967)

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wash gravel with a rocker.

Quotations

1870

The only mining done was by Sylvester and Black, who had panned and rocked about $40 from the edge of the Discovery ground.

1898

The layman on a Rich Hill claim is rocking out the refused dirt of last year's lay and is making $100 a day.

1937

Four miners from up on the Stikine came down with $500 each rocked out on the bars.