wash up

Placer Mining

DCHP-1 (pre-1967)

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clean out the riffles, sluice-boxes, blankets, etc. in which gold has been caught in the process of washing the gravel.

Quotations

1868

"Now say, what have you 'wash'd up'?" "Small wages. . . ."

1896

In 1875 the Van Winkle Company, on Lightning Creek, washed up fifteen hundred ounces of gold, as the result of six days' work.